__________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

--Shall I close the door?

--No. Just _____it open.

A.offer B.try C.push D.leave

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

A.Until B.Unless

C.Although D.Since

--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

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

--Have you seen Mr. Black? I have something important to tell him.

--Don’t worry. Let me ____________his phone number in my telephone book.

A.look after B.look like

C.look for D.look up

--Could I speak to Miss. Zhang?

--Wait a moment. She ___________ in the meeting-room.

A.is dancing B.has danced

C.was dancing D.will dance

--You haven’t watched the music show called The Song of China, have you?

--________________. I like its original songs, especially Huo Jun’s Juan Zhu lian(卷珠帘）.

A.Yes, I did B.No, I didn’t

C.Yes, I have D.No, I haven’t

Zhengzhou Subway Line No.1 ___________ last year. It has eased（缓解）the traffic pressure greatly.

A.completed B.will be completed

C.was completed D.has completed

If you enter this world knowing you are loved and you leave the world knowing the same, then everything ________ happens in between can be dealt with.

A.what B.when C.that D.who