题文
I ________ use a clock to wake meup because at six o’clock each morning the train comes by my house.
| A.couldn’t |
| B.mustn’t |
| C.shouldn’t |
| D.needn’t |
推荐试卷
I ________ use a clock to wake meup because at six o’clock each morning the train comes by my house.
| A.couldn’t |
| B.mustn’t |
| C.shouldn’t |
| D.needn’t |
试题篮
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