1 . The reason _________ Tom failed to make himself _________ was that he was poor at speech.

A．for which, understand

B．why, understood

C．which, understood

D．that, understand

3 . The Internet gives people the chance to have information they need ______ to them quickly and cheaply.

A．to deliver

B．deliver

C．delivering

D．delivered

4 . Many people suffer from neck pain and related problems, probably________ by more individuals doing office jobs, which generally involve________ your neck in the same position for a long time.

A．caused; holding	B．being caused; holding
C．having been caused; to hold	D．being caused; to hold

5 . ________（teach）many times, the boy still looked puzzled. （所给词的适当形式填空）

7 . The little girl got s________(分开) from the group in the dark. (根据中英文提示填空）

8 . It’s harmful to children’s development if their parents always have them too easily________(forgive) for doing things wrong. （所给词的适当形式填空）

9 . Misunderstandings________ from lack of communication，unless________ properly，may lead to serious problems.

A．arisen; dealt with	B．arising; dealt with
C．rising; dealing with	D．risen; dealing with

10 . (2017·北京) Jim has retired, but he still remembers the happy time ________ with his students.

A．to spend	B．spend
C．spending	D．spent