Only when it is hungry ______ a human being.
| A．a lion will attack | B．a lion should attack |
| C．will a lion attack | D．should a lion attack |
Studies show that the things that contribute most to a sense of happiness cannot be bought，______ a good family life，friendship and work satisfaction.
| A．as for | B．in view of | C．in case of | D．such as |
Can you imagine how late I went to bed last night？It was nearly 1 a．m.______ I finished my article.
| A．that | B．when |
| C．before | D．as |
The problem of global warming is serious.______，the sea levels have risen a little.
| A．As a consequence | B．On the contrary |
| C．In a nutshell | D．In other words |
Though golden weeks over the past eight years have______huge returns for China's tourism industry，voices ______ cancellation of the nationwide holidays are becoming even stronger.
| A．brought about；calling for |
| B．brought up；called on |
| C．brought in；calling in |
| D．brought on；called up |
—Didn't you have a good time at the party?
—Of course I did.As a matter of fact，I had such fun that time seemed to ______ so quickly.
| A．go by | B．go away | C．go out | D．go over |