—Someone might see us．
— ？we are not doing anything illegal．
| A．what's up | B．what if | C．How come | D．so what |
Every day we are flooded _____ all kinds of sounds, ____ which most are noise.
| A．with; in | B．with; of | C．by; in | D．at; among |
Had the government limited the sales of cars much earlier, traffic jam and pollution _______so serious now．
| A．has not been | B．would not be |
| C．had not been | D．wouldn't have been |
When it comes to talking about football, his favorite sport, with David, any time will_____ him.
| A．suit | B．fit | C．match | D．equal |
In societies where social roles are determined, boys usually copy the behavior of their fathers, and girls ___of their mothers.
| A．that | B．those | C．one | D．the ones |
Xiamen—Shenzhen High Speed Railway opened to traffic on Dec.28 last year, _______ the two of China’s economic zones.
| A．to link | B．linking | C．linked | D．having linked |