Choose the best answer which can complete the sentence.

This is a problem ________.

[　　]

A．difficult to be dealt with

B．be difficult to deal with

C．which is difficult to be dealt with

D．difficult to deal with

Choose the best answer which can complete the sentence.

I did German at school but I ________ most of it.

[　　]

Choose the best answer which can complete the sentence.

________ makes no difference whether our team will win the game or not.

[　　]

Choose the best answer which can complete the sentence.

The report, ________ with date and name, is very important.

[　　]

Choose the best answer which can complete the sentence.

While reading a book, ________.

[　　]

A．the girl came in

B．my mother was cooking

C．I heard a knock on the door

D．the doorbell rang

Choose the best answer which can complete the sentence.

Is that the TV set you want to ________?

[　　]

Choose the best answer which can complete the sentence.

When I got to the cinema, the film ________ for half an hour.

[　　]

Choose the best answer which can complete the sentence.

Cell phones are being used to ________ e－mail and ________ the Internet.

[　　]

Choose the best answer which can complete the sentence.

—How much shall I ________ the phone call?

—You don't have to. This is ________.

[　　]

A．pay for… free of charge

B．pay… free of charge

C．pay for… freely charge

D．pay… freely charged

Choose the best answer which can complete the sentence.

________ his car ________, he quickly dialed the police number.

[　　]

A．Discovered… stolen

B．Discover… stolen

C．Having discovered… stolen

D．Having discovered… to steal