题目内容
19.It's time for usto begin (begin) our lessons.分析 是我们开始上课的时候了.
解答 答案:to begin 考查单词填空.根据题干:考查固定句型it is time for sb+to do sth,是某人该做某事的时间了,所以后面要用不定式to begin.
点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.
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