Don’t touch anything in the lab unless____.
A. to be allowed B. allowed C, to be allowing D.allowed to
相关试题
______ the right kind of training, these teenage football players may one day grow the international stars.
| A．Giving | B．Having given | C．To give | D．Given |
Gong Li, a famous film star, once said: “______ performance, it is not that different between Hollywood and Asia.”
| A．In favor of | B．in terms of | C．In need of | D．In place of |
Don’t ______ to contact me if you need any more information.
| A．hesitete | B．apologize | C．worry | D．apply |
Come and see me whenever ______.
| A．you are convenient | B．yo u will be convenient |
| C．it will be convenient to you | D．it is convenient to you |
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