－________ David and Vicky ________ married?

－For about 3 years．

A．How long were; being

B．How long have; got

C．How long have; been

D．How long did; get

All those colourful stones will be ________ very beautiful man-made necklace．

A．made of

B．made into

C．made up of

D．made from

Professor Li ________ back from the United States for over two months．

A．has come

B．has been

C．had come

D．came

－Hi, Tom, it is really nice to ________ you again after so many years!

－Hi, Bob, very pleased to ________ you．

A．see, meet

B．meet, see

C．meet, meet

D．see, see

The living standard of the people in Tianjin ________ since 1990．

A．has raisen

B．had been risen

C．has risen

D．rose

It was the third time that she ________ the Great Wall．

A．went to

B．had been to

C．visited

D．visit

It ________ nearly two weeks ________ I received his letter．

A．is, that

B．was, that

C．is, since

D．was, since

This is the first time I ________ your hometown．

A．visited

B．have visited

C．had visited

D．visit

It is ________ well understood that his carelessness caused the accident．

A．nice

B．beautiful

C．pretty

D．good

When I began to sing, he laughed and made me ________．

A．embarrassing

B．embarrassed

C．embarrass

D．to embarrass