补全对话。根据对话内容,从右边方框中选出适当的选项补全对话。
A. It's silver.
B. Let's see where it may be.
C.I can't find my key to the bike.
D. It is small but mine is a big one.
E. So it may still be on the playground
A: Jim, you look worried. What's the matter?
B: 1. I must have lost it.
A: Is it in your pocket?
B: No, it isn't.
A: Is it in your schoolbag?
B: No, it isn't, either.
A: Don't worry.2.
B: I think I could drop it during the P.E. class 3.
A: What color is your key?
B:4.
A: Look, over there! Is that yours?
B: No, it can't be mine. 5.
A: I'm afraid you have to go to the Lost and Found case to have a look.
B: Thank you all the same.
A: You're welcome.
--- Some schools have used smart uniforms. I wonder .
--- They can tell parents where their children are.
A.who invented them B.what they are used for C.when students wear them
People_________ are able to speak two languages have more chances to find a good job.
A.who B.whom C.whose
Basketball_________by many young people. You can see them playing it in many places.
A.will be enjoyed B.is enjoyed C.was enjoyed
You will make such simple mistakes_________ you are careful enough.
A.unless B.until C.if
—What's wrong with Judy? She has been absent for two days.
—I don't know. She_________ be ill. Let's go to ask Mr. Green.
A.must B.can't C.might
