Some parents believe that ________ boy must learn to stand up and fight like ________．

A．a; a man

B．a; the man

C．the; men

D．the; a man

He went downstairs ________ he heard someone knocking at the door．

A．when

B．under which

C．where

D．so

Of all the mobile phones he tried, none was ________．

A．satisfacfory

B．satisfying

C．satisfied

D．satisfaction

________ is known to all, Taiwan is part of China and it shall not be separated from the mainland．

A．That

B．As

C．It

D．What

Maybe it is time for the rest of society to ________ the fact ________ I may not be able to walk, there are many other great things I can do．

A．adjust to; that

B．get used to; that while

C．adapt to; while

D．go about; that while

________ before 7 o’clock, or you will miss the train．

A．Leaving

B．To leave

C．Leave

D．Left

－I failed in the driving test．

－Don’t be so disappointed．________, you’ll have one more chance of trying it．

A．At all

B．After all

C．In all

D．Above all

________ money, some people usually tend to spend more than they have to．

A．In the eyes of

B．Regardless of

C．In terms of

D．In place of

By the year 1889, there were just 541 bison ________ in the whole of North America．

A．leaving alive

B．to leave alive

C．to be left alive

D．left alive

Good technique in medicine means less pain and fewer deaths; ________, it is our duty to master it．

A．thus

B．therefore

C．otherwise

D．however