All you do now is ______ your homework.A.completeB.completingC.having completedD.to have c
已帮助 人
All you do now is ______ your homework.
A.complete
B.completing
C.having completed
D.to have completed
请帮忙给出正确答案和分析,谢谢!
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正确答案:A
在SVC(主、系、表)句型中,如果主语部分有实义动词do的某种形式,则作主语补足语的不定式既可带to也可不带to。所以,正确答案为A。选项D的不定式时态不当,现在完成时表示已经完成的动作。
