题目内容
【题目】Although he was very tired,he still kept on ____late at night.
A.working
B.to work
C.work
D.works
【答案】A
【解析】句意：虽然他很累，他仍然继续工作到很晚。keep on doing sth继续做某事，所以答案是A。
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题目内容
【题目】Although he was very tired,he still kept on ____late at night.
A.working
B.to work
C.work
D.works
【答案】A
【解析】句意：虽然他很累，他仍然继续工作到很晚。keep on doing sth继续做某事，所以答案是A。