He had to pause from time to time to wipe the sweat from his forehead, because the air—conditioning system ______________.
| A．broke in | B．broke up |
| C．broke out | D．broke down |
So difficult __________it to live in an English-speaking country that I determined to learn English.
| A．I have felt | B．have I felt | C．I did feel | D．did I feel |
Jenny nearly missed the fight __________doing too much shopping
| A．as a result of | B．in terms of | C．regardless of | D．on top of |
Giving up my job to go back to full-time education was a big __________, but now I know it was the best decision I ever made.
| A．project | B．commitment | C．competition | D．ambition |
I can __________the house being untidy, but I hate it if it’s not clean.
| A．come up with | B．put up with | C．live up with | D．keep up with |
When asked why he prefers bikes to buses, the professor said, “Riding a bicycle takes __________ half an hour, but it’s more convenient and environmentally friendly. ”
| A．absolutely | B．accurately | C．approximately | D．exactly |