It’s hot in the shopping mall, because the air-conditioning system ______.
| A．broke up | B．broke down | C．broke in | D．broke out |
I know a little bit about Italy as my wife and I __________ there several years ago.
| A．are going | B．had been | C．went | D．have been |
_______ opening ceremony of the 28th Beijing Olympic Games really gave the world _________ big surprise.
| A．不填; a | B．The; the | C． The; a | D．不填; the |
Between the two generations, it is often not their age, _________ their education that causes misunderstanding.
| A．like | B．as | C．or | D．but |
He studied very hard all the time because he didn’t want to __________in his studies.
| A．fall behind | B．be left behind | C．left behind | D．Both A and B |
Does this meal cost $50? I __________ something far better than this!
| A．prefer | B．expect | C．suggest | D．suppose |