What would you do if you _____________ a UFO?
A. saw
B. to see
C. see
D. could see
Đáp án: A
UFOs are ____________ objects that some people report they have seen in the sky.
Choose the correct answer:
A: Would you like to go on a trip to Sa Pa with me?
B: __________. I’m working on my coming exam.
Do you understand the saying: “________________ is better than cure”? (prevent)
The man asked me _________ I __________ the way to The Great Wall.
Choose the correct form of verbs.
Everyone has a number of _________________, but no one has many true friends. (acquaint)
People in this remote village have ___________ contact with the outside world.
That plan can’t be developed without the ______________ of the Republic. (cooperate)
They are trying to look for another __________________. (explain)
In order to have an excellent physical condition, astronauts must have ____________ training before their space trip.