fill in the blank ( easy )
fill in the blank ( medium )
fill in the blank ( hard )
correct the mistakes ( easy )
correct the mistakes ( hard )
100

She writes a letter. → A letter ___ (write) by her.

A letter is written by her.

100

The company sells thousands of smartphones every month. → Thousands of smartphones ___ (sell) by the company every month.

Thousands of smartphones are sold by the company every month.

100

The teacher shows the students a new method during the lesson. → A new method ___ (show) to the students by the teacher during the lesson.

A new method is shown to the students by the teacher during the lesson.

100

The homework are checked by the teacher every day.

The homework is checked by the teacher every day.

100

Clear instructions are give to the employees by the manager every morning.

Clear instructions are given to the employees by the manager every morning.

200

They clean the classroom. → The classroom ___ (clean) by them.  

 The classroom is cleaned by them. 

200

People use the internet for communication and entertainment. → The internet ___ (use) for communication and entertainment by people.

The internet is used for communication and entertainment by people.

200

People send important emails to the manager every morning. → Important emails ___ (send) to the manager by people every morning.

Important emails are sent to the manager by people every morning.

200

Books is borrowed by students from the library.

Books are borrowed by students from the library.

200

English and French is spoken in Canada by people.

English and French are spoken in Canada by people.

300

He reads the newspaper. → The newspaper ___ (read) by him.

The newspaper is read by him.

300

The librarian lends books to students every day. → Books ___ (lend) to students by the librarian every day.

Books are lent to students by the librarian every day.

300

The police are questioning the witnesses in the courtroom right now. → The witnesses ___ (question) in the courtroom right now by the police.

The witnesses are being questioned in the courtroom right now by the police.

300

The internet are use by millions of people.

The internet is used by millions of people.

300

The witnesses is being question in the courtroom right now by the police.

The witnesses are being questioned in the courtroom right now by the police. 

400

The students study English. → English ___ (study) by the students.

English is studied by the students.

400

They play volleyball in the school yard every Friday. → Volleyball ___ (play) in the school yard every Friday by them.

Volleyball is played in the school yard every Friday by them.

400

Scientists publish research articles in international journals every year. → Research articles ___ (publish) in international journals every year by scientists.

Research articles are published in international journals every year by scientists.

400

New medicines is discover by scientists every year.

New medicines are discovered by scientists every year.

400

Research articles are publish in international journals every year by scientists.

Research articles are published in international journals every year by scientists.

500

The chef cooks the meal. → The meal ___ (cook) by the chef.

The meal is cooked by the chef.

500

The teacher explains the grammar rules clearly. → The grammar rules ___ (explain) clearly by the teacher.

The grammar rules are explained clearly by the teacher.

500

The workers are repairing the machines in the factory carefully. → The machines ___ (repair) carefully in the factory by the workers.

The machines are being repaired carefully in the factory by the workers.

500

The meal are cooked by the chef.

The meal is cooked by the chef.

500

The machines are being repair carefully in the factory by the workers.

The machines are being repaired carefully in the factory by the workers.