We watched ________ when he cleaned and repaired the laptop computer．

A．fascinating

B．fascinates

C．fascinated

D．fascination

He is welcome to the gathering, ________ he behaves himself．

A．provided that

B．so that

C．in case

D．in that case

It was very difficult to rescue the drowning boy in the sea．One moment the rescue workers ________ him but the next moment they ________．

A．caught sight of; lost

B．caught the sight of; lost his sight

C．caught sight of; lost sight of him;

D．caught the sight of; lost their sight of him

He claimed ________ in the supermarket when he was doing shopping yesterday．

A．being badly treated

B．treating badly

C．to be treated badly

D．to have been badly treated

My train ________ at 8∶30 am, so I ________ home at 8：00 tomorrow morning．

A．leaves; am leaving

B．is left; am leaving

C．is leaving; have left

D．leaves; leave

The secretary asked him on the phone ________ for the manager．

A．if she could take a message

B．whether could she take a message

C．that she could leave a message

D．could she leave a message

After being taken good care of for some time, the ________ child began to forget about the ________ experience in the terrible earthquake．

A．frightened; frightened

B．frightened; frightening

C．frightening; frightening

D．frightening; frightened

He was born in Germany ________ but he stayed in China ________．

A．in 1956; in 1990s

B．in the 1956; in the 1990s

C．in 1956; in the 1990s

D．in the 1956; in 1990s

She can now speak French as ________ as a native French speaker after her stay in France for a year．

A．frequently

B．fluently

C．sincerely

D．gratefully

I wanted to pay the bill, but my friend ________．Finally I gave in．

A．paid

B．persuaded

C．insisted

D．expressed