A.would buy | B.had bought | C.would like to have bought | D.must have bought |
A.won’t shut | B.won’t be shut | C.hasn’t shut | D.isn’t shut |
A.not be | B.not to be | C.be not | D.be not to |
A.If he understood | B.Had he understood | C.When he had understood | D.If he would understood |
A.will have lost | B.should have lost | C.may have lost | D.can’t lose |
A.wouldn’t rain | B.doesn’t rain | C.won’t rain | D.hadn’t rained |
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