问题:
【题文】You may lead the horse to the river, but you _____ make it drink.
A.couldn’t
B.can’t
C.mustn’t
D.needn’t
【题文】You may lead the horse to the river, but you _____ make it drink.
A.couldn’t | B.can’t |
C.mustn’t | D.needn’t |
参考答案: