题目内容
17.I can't go out now,I _____ look after my baby sister.( )A. | can | B. | mustn't | C. | have to | D. | needn't |
分析 我想在不能走,我必须照顾我妹妹.
解答 答案:C
解析:A:能;B:禁止;C:必须;D:不需要.根据句意"我想在不能走,我必须照顾我妹妹"及所给选项分析可知,本题答案为C选项;其余选项均不符合题意.
点评 本题考查情态动词的辨析,做此类题题目时一定要清楚各个选项的含义及用法,再结合句意及其它要求选出最终答案.
练习册系列答案
相关题目
5.I don't know why the manager didn't reply.He ________ not have received our letter.( )
A. | must | B. | should | C. | need | D. | might |