Question

【题目】It rained heavily, so we______stay at home watching TV or surfing the Internet all day.

A. could B. had to C. must D. can

Answer 1

【答案】B

【解析】

句意：雨下得很大，所以我们不得不整天呆在家里看电视或上网。考查情态动词。A. could能，会；B. had to必须，不得不，指客观上；C. must必须，一定，指主观上；D. can能，可以。根据“It rained heavily雨下得很大”可知客观上“必须做”；故选B。