He must be very hungry. He ................. (not eat) anything in three days.
He must be very hungry. He hasn't eaten anything in three days.
First I ........ (add) a pinch of salt, then I ......... (mix) it.
First I added a pinch of salt, then I mixed it.
You ought to clean the desk.
The desk ought to be cleaned.
During a successful business career, he ..................... a great amount of wealth.
accumulated
If they ............................ our product when we asked them, they would get a discount now. (support)
If they had supported . our product when we asked them, they would get a discount now.
Will the rain ever stop? It .......................... (rain) all day.
Will the rain ever stop? It has been raining all day.
While mum ............... (watch) the VCD I hired, I ................... (finish) my assignment.
While mum was watching the VCD I hired, I finished my assignment.
The students are using the computers right now.
The computers are being used right now by the students.
Say correct word of the definition "unfairly prejudiced for or against someone or something."
biased.
She won't finish it on time if she ......................... right now. (not start)
She won't finish it on time if she does not start right now.
I ................... (wait) for 1 hour for my friend to arrive, and he is still not here yet!
I have been waiting for 1 hour for my friend to arrive, and he is still not here yet!
It .......................... (not rain) for three months, so the land was very dry.
It had not rained for three months, so the land was very dry.
The doctors have made the announcements over the loudspeakers.
The announcements have been made by the doctors over the loudspeakers.
I have arranged these stories in .............................. order.
chronological
We .......................... angry if you had refused the dinner. (not be)
We would not have been angry if you had refused the dinner. (not be)
She last drove a car three years ago. Since she had an accident, she ...................(drive) a car for three years.
She last drove a car three years ago. Since she had an accident, she hasn't driven a car for three years.
She probably ................. (lose) her keys while she was walking in the park.
She probably had lost her keys while she was walking in the park.
The Chinese discovered acupuncture thousands of years ago.
Acupuncture was discovered by the Chinese thousands of years ago.
Say correct word of the definition "the action or fact of forming a united whole. "
Cohesion
She would get fat if she .............................. eating. (not stop)
She would get fat if she did not stop eating.
Since they began acting, they ....................... (perfeorm) in three plays, a television commercial and two TV dramas.
Since they began acting, they have performed in three plays, a television commercial and two TV dramas.
Tim was very upset yesterday because he _____ (realize) that he ______ (lose) his wallet.
Tim was very upset yesterday because he realized that he had lost his wallet.
Has he given you back the book yet?
Has the book been given back to you yet?
Have you been given back the book yet?
Say correct word of this definition "make (something) impure by exposure to or addition of a poisonous or polluting substance."
Contaminate
Had I driven slowly, I ............................... . (not crash)
Had I driven slowly, I would not have crashed.