____ you know your potential（潜力）, you have to rely on many other people to get to where you are.
| A．While | B．Since | C．If | D．Where |
相关试题
If you write something and send it immediately by email, which you ___later regret, there is no chance for second thoughts．
| A．would | B．should | C．have to | D．might |
Lucy's new job paid twice as much as she had made __in the restaurant．
| A．working | B．work | C．to work | D．worked |
You'd better not leave the medicine __kids can get at it．
| A．even if | B．which | C．where  |
D．so that |
—What do you think of the new English teacher?
—___she is an elegant lady, she can be extremely difficult to work with．
| A．Even if | B．When | C．While | D．Once |
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