-- Look at the boy running on the ground. Is it David?-- It _______ be him. I sa
题型：不详难度：来源：
-- Look at the boy running on the ground. Is it David?
-- It _______ be him. I saw him go to the teacher’s office just now.| A．might | B．could | C．can’t | D．mustn’t |
|
答案
| C |
解析
| 本题的含义是我看见他去了老师的办公室，所以在操场上跑步的男孩不可能是戴维，故本题填不可能的单词can’t，故本题选C。 |
举一反三
Jim. You are late again. --- sorry. I___ next time.| A．don’t | B．won’t | C．can’t | D．am not |
|
Look! The light in the room is still on. Mr. Liu at work.| A．must | B．can’t be | C．must be | D．have to be |
|
––__________ I smoke here?
–– No, you __________.| A．Must; can’t | B．Do; can’t | C．Can; can’t | D．Can; don’t |
|
—Tom must be at home because the light in his house is on.
—He ____ be at home, because I saw him playing basketball on the playground.
A. must B. can’t C. mustn’t |
| John _____ go there with us tonight, but he isn’t sure about it. |
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