Vocabulary
Present perfect/cont
Collocation
Phrasal verbs
Obligation and permission
100

We decided to ____________ the mountain to see the sunrise from above.

climb to the top of 

100

This traffic is terrible. We______  (DRIVE) all day, but we______  ( ONLY DO) 50 miles up to now.

have been driving/have only done

100

The country's __________  has __________ over the past few years, leading to concerns about population decline.

birth rate/ fall steadily

100

After months of hard work, she finally __________  passing the exams

succeed in something

100

You __________  wear a helmet when riding a bike for safety reasons.

have to

200

The museum offers a ____________ where the guide explains the history of each exhibit.

guided tour

200

I _________ (TRY) to find a job for over 6 months and I_______  (HAVE) over 20 job interviews, but nothing________  (COME) up yet.

have trying/ have had/ has come

200

Scientists are researching new ways to destroy __________  without harming healthy tissues.

cancer cells

200

Many people __________ allergies during the spring season.

 suffer from

200

Students __________  attend all classes to pass the course.

are required to or must

300

The city is planning to ____________ the old castle and turn it into a museum.

restore

300

Harry _______ (LEARN) to drive since the end of March

has been learning

300

Many homes in sunny regions are now powered by __________, which is a clean and renewable energy source.

solar power

300

Many businesses __________  technology to operate efficiently.

depend on

300

He __________  use his phone during the break, but not in class.

is allowed to

400

The ________ ruins of the temple date back over 2,000 years.

ancient

400

Barbara can't come with us. Her car  _______(BREAK) down on the motorway.

has broken

400

If we continue to use fossil fuels at this rate, we will __________  soon and will need to find alternative energy sources.

run out of

400

The manager will __________  the customer’s complaint as soon as possible.

respond to

400

He __________  apologize for his behavior if he wants to fix the situation.

ought to

500

The trail was difficult to hike because it was incredibly ____________ near the peak.

steep

500

The students ____ (WRITE) the exam for two hours now.

has been writing

500

 Over the past decade, the use of smartphones __________ across the world.

  increase dramatically

500

Students are encouraged to __________ extracurricular activities to develop their skills.

participate in

500

They __________  meet us at the restaurant at 7 p.m.

are supposed to