My father likes smoking. He often says that giving up smoking is the easiest thing in the word. I know because I________ it thousands of times.

A.have done   B.am doing

C.will do    D.do

--What are you going to do tonight, Cindy?

--I’m not sure. I __________go to see a movie with my friends.

A.must    B.should

C.might  D.have to

__________ it’s very difficult, remember not to give up until the last minute.

A.Until    B.Unless

C.Although D.Since

--Shall I close the door?

--No. Just _____it open.

A.offer    B.try    C.push    D.leave

__________car traffic in city centers and make the air cleaner, some countries made rules that drivers should pay extra money if they drive in the city centers.

A.Reduce    B.Reducing

C.To reduce D.Reduced

On March 8th, a Malaysian plane to Beijing lost contact. The passengers on board are _________Chinese. All Chinese people are extremely worried about their safety.

A.mostly     B.properly

C.clearly    D.hardly

More and more people are used to shopping online because it costs _______money and saves _______time.

A.more; less     B. more; fewer

C.fewer; more    D.less; more

Volunteering is becoming more and more popular in the world because it gives us a/an __________ to value (珍惜) what you have, and focus on the truly important things in our life.

A.chance    B.excuse    C.turn     D.promise

--Let me help you carry _________suitcase, Miss Green!

--No, thanks. It’s ___________ empty suitcase. It’s very light.

A.a; a    B.the; an    C.a; the   D./; an

You can’t drive your car on the path because it’s ______ designed for Bus Rapid Transit（快速公交）.

A. properly    B. normally

C. gradually    D. specially