The company ________ a rise in salary for ages, but nothing has happened yet．

A．promises

B．promised

C．has been promising

D．had promised

In face of ________ failure, it is the most important to keep up ________ good state of mind．

A．不填；a

B．a;不填

C．the;不填

D．不填；the

It's a pity that you ________ have made so many mistakes in your chemistry exam．

A．might

B．should

C．could

D．may

She is wearing the same coat ________ she had on when we saw her the other day．

A．that

B．which

C．it

D．whose

If you tear down the low wall ________ your garden, it will be easy for the naughty boys to pick your flowers．

A．surrounding

B．surrounded

C．to be surrounded

D．to surround

The library is ________ to those who are studying in the university．

A．potential

B．accessible

C．acceptable

D．brilliant

－How long have you lived in this city?

－About four years．________ I got married to Lisa．

A．Until

B．Since

C．When

D．If

________ technical development, people were going from the Stone Age to the Bronze Age．

A．In case of

B．In the eyes of

C．In terms of

D．In place of

Though the radio seems a bit too expensive, it is ________．

A．great valuable

B．of value

C．value

D．of valuable

People are not allowed ________ freely at the meeting and they don't allow ________ either．

A．to talk; smoking

B．to talk; to smoke

C．talking; smoking

D．talking; to smoke