I ______ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported | C．have supported | D．support |
Swimmers must be very strong in order to build up speed because of the high resistance of the water. Runners, ____, must struggle against the heavy resistance of the air and ground.
| A．generally | B．similarly | C．naturally | D．probably |
To read newspaper before going to bed seemed to me a rule ____.
| A．to never break | B．never to have broken |
| C．never to be breaking | D．never to be broken |
It's no secret to us, but he alone is in the dark. It means ____.
| A．nobody but him knows the secret | B．we all know the secret except him |
| C．it's so dark that he can't see everything clearly | D．only the needs to keep the secret |
Every year, ____ graduates take pan in TOEFL for further education abroad.
| A．too much | B．several scores | C．many a | D．scores of |
In order to ____ the debt, the couple has worked hard for years with little food and only a small room to live in and never a moment's rest.
| A．pay for | B．pay back | C．pay | D．return back |