题目内容
11.It is polite to turn off our mobile phones when the show _______.( )| A. | began | B. | begins | C. | is beginning | D. | will begin |
分析 当表演开始的时候,关闭手机是礼貌的表现.
解答 答案:B
根据 It is 可排除A,表演开始是非延续性的,排除C,而且when引导时间状语从句时,表示"当…的时候",它引导的时间状语从句通常用一般现在时表示一般将来时.故选B.
点评 本题考查when引导的时间状语从句谓语动词的态.when引导时间状语从句时,表示"当…的时候",从句的谓语动词可以是延续性的,也可以是非延续性的.它引导的时间状语从句通常用一般现在时表示一般将来时;用一般过去时表示过去将来时;用现在完成时表示将来完成时.
练习册系列答案
相关题目
19.-Are you a volleyball player in your school?
-Yes,I the team a year ago and I in the team since 2014.( )
-Yes,I the team a year ago and I in the team since 2014.( )
| A. | have joined; have been | B. | was joined; am | ||
| C. | joined; was | D. | joined; have been |
1.Mom,you've bought the wrong shirt.It's not the red one _____ the blue one.( )
| A. | or | B. | and | C. | but | D. | either |