______ careful you are, ______ mistakes you will make.
| A．The less; the better | B．The more; the fewer |
| C．The fewer; the richer | D．The more ; the poorer |
He asked us to him ______ carrying through their plan.
| A．assist; with | B．help; to | C．assist; in | D．help; with |
Only after my friend came ___________________________.
| A．did the computer repair | B．he repaired the computer |
| C．was the computer repaired | D．the computer was repaired |
While ________ to foreigners，you must try your best to make yourself ________.
| A．spoken…understood | B．spoken…understand |
| C．speaking…understood | D．speaking…understand |
The computer system _____ suddenly while he was searching for information on the Internet.
| A．broke down | B．broke out | C．broke up | D．broke in |
about the journey, I was unsettled for the first few days.
| A．Worrying | B．Being worried | C．Worried | D．Worry |