Thanks to the 2014 Winter Olympics, Sochi is well-known,_______?

A. isn’t it           B. was it         C. is it        D. wasn’t  it

 ---- ____________?

   ---- Sorry, we’ll go and play in the park.

A. Don’t drop litter here.        B. Would you mind not playing baseball here?

C. You have to get up early.      D. Would you mind not smoking in public?

The safety of food has become one of the _________ problems in our daily life.

A. more expensive      B. more important     C. most expensive    D. most important

We are supposed to ___________a solution to stop people from looking down at their mobile phones while driving cars.

A. come up with        B. come form          C. come out        D. come true

The left-behind kids(留守兒童)can’t see their parents_________ the parents come back home from work.

    A. but                B. until                C. or             D. if

 ---- Excuse me, could you please tell me ________?

   ---- Yes, there is a history museum.

A. how often do you go to the history museum      

B. are there any good museums in Kunming. 

C. how long it takes to get to the history museum   

D. if there are any good museums in Kunming.

Teenagers should be encouraged to go ______and be close to nature.

A. inside            B. back                C. outside           D. off

---- Hey guys, Chinese way of _______the road is very dangerous. You must wait for the green lights on?

   ----- Thank you for your advice, sir.

A. going            B. walking             C. crossing         D. passing  

---- May I speak to Robert?

   ---- _________ .

A. I am Robert       B. Speaking, please      C. It’s 78345190     D. He is Robert

 -----Have you ever seen the TV show Where Are We Going, DAD?

  -------_________. I think it’s quite moving and funny.

A. Yes, I have       B. No, I haven’t          C. Yes, he has       D. No, she hasn’t