题目内容
2.In order to keep the indoor air fresh,you'd better open the window in the morning to make aircirculate(circulate).分析 为了保持室内空气清新,你最好在早晨打开窗子让空气流通.
解答 答案:circulate 考查单词填空.make后接不定to的动词不定式作宾语补足语,air与circulate之间是主谓关系,用动词不定式的主动式.
点评 考查单词填空,准确地理解题意、然后根据题意及提示确定所填单词词形,正确写出单词完成答题.
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