课时作业17
Ⅰ.单句语法填空
1．—Isn't that Ann's husband over there?
—No, it ________ be him. I'm sure he doesn't wear glasses.
2．You ________(come) to the meeting tomorrow if you have something important to do.
3．He ________(give) you more help, even though he was very busy.
4．—________ I help you with some shoes, madam?
—Yes, I would like to try on those brown ones.
5．The reason why they ________ leave wasn't explained to us.
6．I searched for my wallet and it wasn't there. I thought I ________(leave) it at home.
7．I ________(fall) asleep because it took me a long time to realize that the telephone was ringing.
8．The only thing that really matters to the children is how soon they ________ return to their school.
9．I want to go to the chemist's, but you ________ go with me.
10．I thought it over, but ________ come to no conclusion.
11．What we ________ get seems better than what we have.
12．—My goodness! I've just missed the train.
—That's too bad. I am sure you ________(catch) it, if you had hurried.
13．Look what you've done! You ________(be) more careful.
