Question

We ________ jump to conclusions before we have all the facts.

A．couldn't

B．mightn't

C．shouldn't

D．mustn't

Answer 1

C

C　考查情态动词。句意：我们不应该在掌握全部事实前草率下结论。shouldn't“不应该”；couldn't“不能”；mightn't“可能不”；mustn't“禁止”。根据句意可知应选C项。