When he was alive, the old scientist used to say that knowledge ＿＿＿＿from practice and he gained his experience by doing a lot of practical work.
| A．was coming | B．had come | C．comes | D．would come |
相关试题
Before going abroad, he devoted all the time he could his spoken English
| A．to improve | B．to improving | C．improve |
D．improving |
They insisted on another chance to try.
| A．given | B．giving | C．being given | D．to be given |
The person at the meeting is famous an actor.
| A．referred ; for | B．referred to ; as |
| C．referred to ; for | D．referring ; as |
When I go out in the morning, I use the bike the car if I can.
| A．other than | B．rather than | C．better than | D．more than |
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