题目内容
18.-What were they doing when the UFO arrived?-_______________.( )
| A. | Certainly.They are cleaning their classroom | |
| B. | They was studying in the library | |
| C. | They were eating lunch in the restaurant | |
| D. | They were talked on the phone |
分析 ---当UFO到达时他们在干什么?
---他们正在餐馆里吃午饭.
解答 答案:C.根据问句"What were they doing when the UFO arrived?"可知答语也要用过去进行时.过去进行时的构成"主语+were/was+doing".故选C.B也是过去进行时,但主语是they,be动词要用were而不是was.故选C.
点评 本题要求掌握过去进行时的构成.根据问话知道所用的时态是过去进行时,故答语也要用过去进行时.
练习册系列答案
相关题目
8.-Where do you prefer to have a picnic tomorrow,on Tianping Hill or near Taihu Lake?
一 YOU decide.I just want to relax myself in the beautiful nature.( )
一 YOU decide.I just want to relax myself in the beautiful nature.( )
| A. | Either | B. | Neither | C. | Both | D. | None |
9.---Which of these T-shirts do you like better?
---It's too hard for me to make a choice.So I'd like to take ________ of them.( )
---It's too hard for me to make a choice.So I'd like to take ________ of them.( )
| A. | none | B. | all | C. | both | D. | every |
6.-Does your aunt have any children?
-Of course.She has two and _____ of them lives with her.( )
-Of course.She has two and _____ of them lives with her.( )
| A. | each | B. | both | C. | neither |
13.I'm hungry.I want to eat.( )
| A. | anything | B. | everything | C. | something | D. | nothing |
3.-I really want to know ______________.
-It is said that she has gone to Cuba.( )
-It is said that she has gone to Cuba.( )
| A. | who is Lily | B. | where is Lily | C. | where Lily is |
10.- I swim here?-Oh,sorry.Children swim alone here.( )
| A. | Must; can't | B. | Can; mustn't | C. | May; must | D. | Can; may not |
13.In the United States,27% of people the ages of 18-34 live with their parents.( )
| A. | between | B. | at | C. | from | D. | on |