题目内容
18.John ______ when his mother got home yesterday.( )A. | cooks | B. | cooked | C. | was cooking | D. | is cooking |
分析 昨天当约翰的妈妈到家时他正在做饭.
解答 答案:C.
根据when引导的时间状语从句用了一般过去时,判断主句的动作发生在过去的某个时刻,所以用过去进行时,过去进行时的构成是:主语+was/were+动词的现在分词,主语是第三人称单数所以be动词用was,cook的现在分词是cooking;故选C.
点评 本题考查了动词的时态.做题时,一定要特别关注有关的时间短语,这是判断句子时态的标志.在没有时间状语的情况下可以联系上下文根据语境来做出正确判断.
A. | books | B. | sports | C. | movies | D. | music |
A. | him | B. | her | C. | you | D. | me |
A. | second | B. | twice | C. | two | D. | thirtieth |
A. | will sleep | B. | was sleeping | C. | is sleeping | D. | slept |