题目内容
11.Our foreign teacher Mr Green _______ us English since three years ago.( )A. | has taught | B. | is teaching | C. | taught | D. | teaches |
分析 我们的外教老师格林先生,自从三年前就已经教我们英语了.
解答 答案:A 现在完成时基本用法之一:表示过去已经开始,持续到现在,而且还可能继续下去的动作或状态,常与since或for引导的时间状语连用.结合句意,根据since three years ago,可知应该用现在完成时态.现在完成时态的构成:助动词have/has+过去分词,根据主语Mr Green是第三人单数,所以应该用has,故选:A.
点评 本题主要考查动词时态,做此类题目一定注意时间状语,注意句子所表达的含义,才能更好地判断.同时更应记清时态的构成形式.就本题而言,主要考查现在完成时态.
练习册系列答案
相关题目
1.-Have you seen the documentary named A Bite of China (《舌尖上的中国》)?
-Yeah!It's the most funny one ________ I have ever seen.( )
-Yeah!It's the most funny one ________ I have ever seen.( )
A. | that | B. | what | C. | which | D. | where |
19.Some children prefer to eat junk food ________ it's not good for their health.( )
A. | although | B. | if | C. | as | D. | when |
6.In order to eat safely,I think we make some food by ourselves instead of buying some.( )
A. | used to | B. | prefer to | C. | had better | D. | are supposed to |
16.Attention please.The plane will ______ in five minutes.( )
A. | take out | B. | take after | C. | take off | D. | take care |
3.The plane for Yunnan will______ in two hours.Let's go to the airport as soon as possible.( )
A. | turn off | B. | go off | C. | take off | D. | turn on |
15.-Could you help me return the book to the library?
-_________,but I'm busy with my homework.( )
-_________,but I'm busy with my homework.( )
A. | I'd love | B. | I'd love to | C. | Yes,you can | D. | That's OK |
16.Don't today's work for tomorrow.Today's work must be done today.( )
A. | put up | B. | put out | C. | put off | D. | give up |