题目内容

-----Could I have a look at your i-phone5s, dad?
------Oh, dear, if you_______.
A．canB．mustC．shouldD．need
B
该题是对情态动词的考查，can表示可能性；should表示应该；need表示必须；must可以表示主观的必须，也可表示非要，偏要。根据题意选B答案。
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