It is five years since he ________ college．

A．has graduated from

B．has picked up

C．graduated from

D．picked up

Teenagers ________ social experience, so they are easily ________ when they first step into society．

A．lack; taken up

B．lacking in; taken over

C．a lack of; taken on

D．lack; taken in

They hurried to the railway station, ________ the train, and they were glad．

A．to miss

B．missing

C．catching

D．to catch

The reason ________ he explained to us is ________ to hers．

A．that; similar

B．why; similar

C．that; the same

D．why; the same

Do you know it was ________ he fell ill that he didn't come to school yesterday?

A．because

B．as

C．since

D．now that

It is said that ________ bridge was built in ________ Ming Dynasty．

A．a; a

B．the; the

C．a; the

D．the; a

The two old sisters, ________ so long, held each other and burst into tears．

A．being separated

B．having been separated

C．having separated

D．had been separated

CCTV－5 will offer a(n)________ broadcast to help football fans to see the match at the same time．

A．living

B．alive

C．live

D．lively

At the railway station, my friends waved goodbye to me ________ the train was out of sight．

A．before

B．until

C．as

D．since

Madam Curie is well known ________ a great scientist ________ her intelligence．

A．as; for

B．to; as

C．for; as

D．as; to