Question 1. _________ air is one of the many problems we have to solve.
A. Pure B. Polluted C. Dust D. Pleasant
Question 2. I’ll be in trouble if I _________my passport.
A. lose B. will lose C. lost D. would lose
Question 3. We can eat at home or, ________ you prefer, we can go to a restaurant.
A. when B. whether C. if D. which
Question 4. If it rained , I_________.
A. will go out B. wouldn’t go out C. didn’t go out D. won’t go out
Question 5. Minh’s English is excellent. He speaks________.
A. perfectly English B. English perfectly
C. perfect English D. English perfect