-Hello, this is Mr. Smith. Could I speak to Tom?

-________. He is coming at once.

A. Speak, please                                  B. Hold on, please

C. This is Tom                                 D. Sorry, you can’t

 - You aren’t a professional athlete, are you?

- ________ . I am just a football fan.

A. Yes, I am       B. No, I’m not            C. Of course       D. Sometimes

-Could I clean the room for you?  

- No, thank you. I ________ it myself.

A. clean            B. cleaned                C. have cleaned    D. was cleaning

 -Dad, how can I get on well with my classmates?

-Try to be friendly to them. That will make it much______.

A. easily       B. easiest              C. easy            D. easier

 -Don’t worry. All the children _______ by the nurses.

-Thanks a lot.

A. are well taken care of                           B. take good care of

C. are taken good care of                       D. take good care

 -_____ of the water _____ polluted. We must try to protect our environment.

-I think so.

   A. Two third; are   B. Two third; is     C. Two thirds; are    D. Two thirds; is

- Since January, many cities in China have been a lot of foggy days.

-Yes, could you tell me_________?       

 A．how should we deal with PM2.5 pollution  B．what should we do with PM2.5 pollution          

C．how we should do with PM2.5 pollution   D．what we should do with PM2.5 pollution

-Let's visit the National Museum this weekend, _________?

-That sounds good.

　 A．will you　　　 B．won't we　　　 C．don't we　　　 D．shall we

 Which of the following signs can be seen on the door of a shopping mall?

       A                  B                     C                     D

- Shall I take you to the shopping mall after work?

- No, thanks. My father said he would ________ on his way home.

A. look for me　 　　 B. pick me up　 C. let me down　 　　 D. take after me