1.
a. The class can’t finish in half an hour.
b. The class won’t be finished for an hour.
c. The classes will take at least an hour.
d. The class can finish it in less than an hour.




2.

a. Are they fixing the car?
b. I’m fixing the car.
c. Why aren’t they fixing the car?
d. The car has been fixed.


3.

a. While I was waiting for my sister, she got the news.
b. While my sister was waiting for me, she got the news.
c. I was waiting for my sister to get the news.
d. I was waiting for my sister when I got the news.


4.

a. He didn’t go to the gym.
b. He explained how to use the gym.
c. He told us to get to the gym.
d. He didn’t know how to get to the gym.


5.

 a. Bill has one brother and one sister, and so does Jane.
b. Bill has one brother and a sister named Jane.
c. Bill and Jane are brother and sister.
d. Bill’s brother and sister like to be with Jane.


6.

a. By the summer those plants will be much taller.
b. Those tall plants should be cut back when it’s warm.
c. Once it’s cold the plants won’t grow any taller.
d. The taller plants keep growing all summer long.


7.

a. Aren’t you going to bring your coat?
b. Why didn’t I bring my coat?
c. Doesn’t that coat look warm?
d. Is it too warm to wear a coat


8.

a. Jorge can’t come over because he has a piano lesson.
b. comes over less often since he started playing the piano.
c. Jorge played the piano when he came over.
d. Jorge’s piano lesson is over, but he’s still not coming over.


9.
a. Few people were on the beach during the storm.
b. storm did a lot of damage along the beach.
c. Many people had already left the beach before the storm.
d. Most people did not think there would be a storm.


10.

a. You will have to read that book soon.
b. You ought to fi nish that book on time.
c. You should have allowed more time to fi nish that book.
d. You could ask someone if they saw that book