单选题
Why are you still smoking? You______.
A、
should have given up it
B、
should have given it up
C、
ought to have given up it
D、
should given it up
【正确答案】
B
【答案解析】
解析:句意:你为什么还抽烟,你本应该戒掉的。should have done表虚拟,“原本该做但是没做(怀有埋怨或者责备的语意)”,是shall have done的过去时形式。ought to havedone无过去时。give it up动词加副词的短语,如果遇到代词,代词应放中间,若是名词短语则可放在中间或副词后面。
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