33. There was no light in the dormitory last night. So, they ________ to the lecture then.
A.must have gone | B.should have gone |
C.needn’t have gone | D.couldn’t have gone |
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33. There was no light in the dormitory last night. So, they ________ to the lecture then.
A.must have gone | B.should have gone |
C.needn’t have gone | D.couldn’t have gone |