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题目
题型:不详难度:来源:
He ______ the key, so we ______ into the office.
A.hadn’t left; can’tB.didn’t leave; couldn’t have got
C.hadn’t left; couldn’t getD.hasn’t left; couldn’t get

答案
C
解析
考查时态。句意:他没有留下钥匙,因此我们不能进入办公室。结合语境可知前文描述的是过去已经完成的动作,故用过去完成时态。下文为站在过去时间看不能进行的将来的动作,故用过去将来时态。选C。
核心考点
试题【He ______ the key, so we ______ into the office.A.hadn’t left; can’tB.didn’t lea】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三

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题型:不详难度:| 查看答案
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A.shallB.canC.mayD.will

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—You ought to have called him yesterday.
—Yes,I know I       .
A.ought toB.have toC.should haveD.must have

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8. There’s no light on; they _____ be at home.
A.can’tB.mustn’tC.needn’tD.shouldn’t

题型:不详难度:| 查看答案
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