题目内容
4．-My old friend White is going to visit me．-We haven't seen each other _____ five years．（ ）
| A． | since | B． | after | C． | for |
分析 --我的老朋友怀特将要来拜访我．--我们已经5年没见对方了．
解答 答案C since和after常和点时间连用，分别表示"自从…以来"，"在…以后"．for+段时间常和现在完成时连用．现在完成时经常和表示段时间的状语连用．根据时态"haven't seen"是现在完成时，后面的时间是five years，故用for选C．
点评 首先要明白这几个词和什么时间（点时间还是段时间）连用，还要知道现在完成时和什么时间状语连用，才能做出正确选择．
练习册系列答案
相关题目
14．The workers in the Huashan Mountains have to rubbish to keep the mountains clean．（ ）
| A． | turn up | B． | pick up | C． | mix up | D． | give up |
15．-Mum，when can I watch TV？
-As soon as your homework ______．（ ）
-As soon as your homework ______．（ ）
| A． | finish | B． | finished | ||
| C． | is finished | D． | will be finished |
19．Is your father or mother a teacher？
一 ．My father is a doctor and my mother is an office worker．（ ）
一 ．My father is a doctor and my mother is an office worker．（ ）
| A． | Both | B． | Either | C． | Neither | D． | None |
9．-____________________？
-He is tall．（ ）
-He is tall．（ ）
| A． | How is he | B． | What does he look like | ||
| C． | What does he like |
13．Stop talking!Miss Li has to tell us（ ）
| A． | something important | B． | important something | ||
| C． | anything important |