It was not until I ________ your letter that I ________ the true state of affairs．

A．have read; understand

B．read; had understood

C．had read; understood

D．had read; would understand

There aren’t many cafés, and let’s stop at the next place we see,________ ?

A．are there

B．will you

C．shall we

D．don’t you

________ the house costs, it will ________ it．

A．Whatever; be worth

B．However; worth

C．How much; be worthy of

D．What; worthy of

The professor reminded me of what I would ________ have forgotten．

A．therefore

B．however

C．otherwise

D．ever

This dictionary is of great use, which can help you ________ many problems about words and idioms．

A．keep up

B．clear up

C．look up

D．take up

You can arrive in Guangzhou on time for the fashion show ________ you don’t mind taking the night train．

A．unless

B．provided

C．though

D．until

In China, ________ bicycle is ________ popular means of transportation．

A．the; a

B．a;/

C．the; the

D．a; the

He must ________ a shower, for I can hear the water ________．

A．have; run

B．be having; run

C．have; running

D．be having; running

It was ________ who suggested that he go to New York in order to get a direct flight

A．her

B．me

C．she

D．us

The ________ of the European Union began in the 1950s when six countries decided to form an alliance．

A．wonder

B．belief

C．idea

D．thought