科目: 来源:不详 题型:单选题
| A.don’t have to | B.oughtn’t to |
| C.mustn’t | D.can’t |
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科目: 来源:不详 题型:单选题
| A.don’t | B.didn’t | C.wouldn’t | D.weren’t |
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科目: 来源:不详 题型:单选题
| A.When | B.If | C.Thought | D.Since |
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科目: 来源:不详 题型:单选题
| A.was | B.were | C.had been | D.would be |
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科目: 来源:不详 题型:单选题
| A.will rain; rained | B.would rain; should rain |
| C.should rain; rains | D.would rain; had rained |
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科目: 来源:不详 题型:单选题
| A.Would | B.Did | C.Should | D.Had |
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科目: 来源:不详 题型:单选题
| A.has to get | B.had got | C.were to get | D.could have got |
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科目: 来源:不详 题型:单选题
| A.have | B.had | C.am to have | D.would have |
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科目: 来源:不详 题型:单选题
| A.should ask | B.should have asked |
| C.must ask | D.must have asked |
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科目: 来源:不详 题型:单选题
| A.must be | B.must have been |
| C.might be | D.can have been |
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