All people, ________ they are old or young, rich or poor, have been trying their best to help those in need since the disaster．

A．even if

B．whether

C．no matter

D．however

The artist was born poor, ________ poor he remained all his life．

A．and

B．or

C．but

D．so

He ________ as a national hero for winning the first gold medal for his country in the Olympics．

A．regarded

B．was regarded

C．has regarded

D．had been regarded

－I can’t find my purse anywhere．

－You ________ have lost it while shopping．

A．may

B．can

C．should

D．would

________ to reach them on the phone, we sent an email instead．

A．Fail

B．Failed

C．To fail

D．Having failed

－May I ask a question after class, Sir?

－________, but not during my lunch break．

A．I’m sorry

B．Anytime

C．Certainly

D．Go ahead

In many places in China, ________ bicycle is still ________ poplar means of transportation．

A．a; the

B．/; a

C．the; a

D．the; the

Only when I left my parents for Italy ________ how much I loved them．

A．I realized

B．I had realized

C．had I realized

D．did I realize

People in Chongqing are proud of ________ they have achieved in the past ten years．

A．that

B．which

C．what

D．how

－Could we see each other at 3 o’clock this afternoon?

－Sorry, let’s make it ________ time．

A．other’s

B．the other

C．another

D．other