You will be accepted for the course ________ it isn’t full, in which case we will inform you．

A．when

B．unless

C．while

D．but

In order to gain a bigger share in the international market, many state-owned companies are striving ________ their products more competitive．

A．to make

B．making

C．to have made

D．having made

In order to improve English, ________．

A．Jenny’s father bought her a lot of tapes

B．Jenny bought a lot of tapes for herself

C．a lot of tapes were bought by Jenny

D．a lot of tapes were bought by Jenny’s father

In fact ________ is a hard job for the police to keep order in an important football match．

A．this

B．that

C．there

D．it

－What’s that terrible noise?

－The neighbors ________ for a party．

A．have prepared

B．are preparing

C．prepare

D．will prepare

Because the shop ________, all the T-shirts are sold at half price．

A．has closed down

B．closed down

C．is closing down

D．had closed down

A new cinema ________ here．They hope to finish it next month．

A．will be built

B．is built

C．has been built

D．is being built

I ________ ping pong quite well, but I haven’t had time to play since the new year．

A．will play

B．have played

C．played

D．play

－How do you deal with the disagreement between the company and the customers?

－The key ________ the problem is to meet the demand ________ by the customers．

A．to solving; making

B．to solving; made

C．to solve; making

D．to solve; made

The flu is believed ________ by viruses that like to reproduce in the cells inside the human nose and throat．

A．causing

B．being caused

C．to be caused

D．to have caused