This machine is very easy _______. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating | C．operated | D．to operate |
相关试题
The interview he paid little attention to _____ him the chance to work in this company.
| A．being cost | B．be cost | C．costing | D．cost |
On a _____ morning the little girl was found _____ at the corner of the street.
| A．freezing; freezing | B．freezing; frozen | C．frozen; frozen | D．frozen; freezing |
We had to _________ the engine piece by piece for transport.
| A．take up | B．take out | C．take off | D．take apart |
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