Swan Lake is a famous ballet in four acts, which ________ on a German fairy tale．

A．is basing

B．is based

C．bases

D．based

The film ________ on the book by Jack London is well worth ________．

A．basing; seeing

B．based; being seen

C．to be based; to see

D．based; seeing

This habit is hard to form ________, but in the long run, it will do you good．

A．in future

B．at present

C．in present

D．at the present

He’s ________ working in Germany as a representative of a Chinese company．

A．lately

B．recently

C．presently

D．likely

He promised to ________ me with a beautiful gift．

A．give

B．buy

C．present

D．offer

－Guess what! I ________ an old friend at the party last night．

－How nice! I’m sure you had a wonderful time?

A．came on

B．came about

C．came across

D．came up

Please tell me how the accident ________．I am still in the dark．

A．came by

B．came upon

C．came to

D．came about

The news has just ________ that the president is going to visit China next month．

A．come down

B．come up

C．come out

D．come about

At the meeting, the old man ________ some good advice and all the people there agreed with him．

A．came about

B．came along

C．came up with

D．came out

The policeman ________ to the lonely house, whose door was open, stood there for a while, and then entered it．

A．came up

B．came across

C．coming across

D．coming up