根据所给词的适当形式填空。【小题1】90% of the class enjoyed themselves (he) during the winter holiday.【小题2】

根据所给词的适当形式填空。
【小题1】90% of the class enjoyed themselves (he) during the winter holiday.
【小题2】It isimpossible (possible)for me to design the poster without your help.
【小题3】The police were searching (search) the robber at that time last night.
【小题4】When I got to the theater, I realized that I had left (leave) the ticket at home.
【小题5】December is the twelfth (twelve) month of a year.
【小题6】You'd better plan your free time wisely (wise). Don't play too many computer games.
【小题7】——What do your father and uncle do?
——They are salesmen (salesman) and they sell all kinds of robots.
【小题8】——I want to teach in the western areas.
——Well, teachers are needed very much there. (need )
【小题9】Look! There is a new washing (wash) machine near the window.
【小题10】My cousin refused to keep (keep) secrets for me.

解析：【小题1】固定短语 enjoy oneself【小题2】双重否定表示肯定。【小题3】根据at that time last night可知用过去进行时【小题4】发生在过去的过去用过去完成时。【小题5】考查序数词【小题6】副词修饰动词【小题7】考查复数【小题8】考查一般现在时的被动语态。【小题9】动名词作定语。【小题10】考查固定短语refuse to do sth

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