－Do you know Mary very well?

－Yes．We became good friends ________ we met at a party．

A．the first time

B．for the first time

C．first time

D．by the first time

________ that the president will leave office at once．

A．It hopes

B．It's hoped

C．This is hoped

D．We are hoped

Judging from his face, the computer he has just bought ________ his needs．

A．has

B．feels

C．contains

D．satisfies

Charlie likes ________ folk music and plays ________ guitar well．

A．/; /

B．the; the

C．the; /

D．/; the

This is very good music for us to ________．

A．dance

B．sing for

C．dance to

D．sing

－The room is so dirty．________ we clean it?

－Of course．

A．Will

B．Shall

C．Would

D．Do

－Is your father still an engineer?

－________．

A．Yes, he was

B．He didn't use to

C．Yes, but he used to

D．No, but he used to be

She ________ Japanese when she was in Japan．Now she can speak it freely．

A．picked out

B．made out

C．made up

D．picked up

Although medical science ________ control over several dangerous diseases, what worries us is that some of them are returning．

A．achieved

B．has achieved

C．will achieve

D．had achieved

________ you've tried it, you can't imagine how pleasant it is．

A．Unless

B．Because

C．Although

D．When