题目内容
5.Lily is a good student.Its 11 :00 p.m. ,but she still keeps on.
A. studied B. studies C.to study D. studying
5.D keep on doing sth.意为“继续做某事”,故选D。
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题目内容
5.Lily is a good student.Its 11 :00 p.m. ,but she still keeps on.
A. studied B. studies C.to study D. studying