He the plants. If he had, they wouldn't have died.       A. shouldn't water    B. couldn't water     C. can't have watered   D. needn't have watered

He _______ the plants. If he had, they wouldn't have died.
A. shouldn't water
B. couldn't water
C. can't have watered
D. needn't have watered

Trả lời
Đáp án: C

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