题目内容
—Is Jack on duty today?
—It_____ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t | C．can’t | D．needn’t |
C
解析试题分析：考查情态动词表示推测：句意：--今天杰克值日吗？--不可能是他。明天该轮到他。Can’t be用于否定推测“不可能是”，must表示推测的时候，表示“肯定是”，won’t不愿意，needn’t不必，选C。
考点：考查情态动词表示推测
口算题天天练系列答案Opposite the old town is the 5500 meters Yulong Xueshan Mountain, its peak_______ with snow.
| A．is covered | B．covered | C．covering | D．covers |
--- Come on, please give me some ideas about the project.
--- With so much work ________ my mind, I’ll almost________.
| A．filling; break up | B．filled; break out | C．filled; break off | D．filling; break down |
—Is it necessary to look up every new word when I come across it in reading?
—No. You ________， because you are likely to guess the meaning from the context.
| A．can't | B．mustn't |
| C．don't have to | D．ought not to |
—Can I pay the bill by check?
--- Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.
| A．shall | B．mustn’t |
| C．can’t | D．will |
--- I spent two weeks in London last summer.
--- Then you must have visited the British Museum during your stay, _______ you?
| A．mustn’t | B．haven’t | C．didn’t | D．hadn’t |
—I’m afraid you missed a fantastic lecture yesterday. How come you were absent from it?
—If you _______ know, I asked for a day off and visited a relative of mine in hospital.
| A．might | B．may | C．shall | D．must |
Sir, you ________ take this seat. It’s just for the old.
| A．won’t | B．can’t | C． oughtn’t to | D．needn’t |
—What did you say to your sister? I saw her crying in the room.
— It _________ my fault. I just said hello to her when I met her, nothing else.
| A．must have been | B．can’t have been |
| C．oughBtn’t to be | D．should have been |