With so much work unfinished, he realized that a picnic out this weekend was completely _________ A out of question B out of the question C out of order Dout of date
It is likely that water is not ____ endless resource, nor ____ that can be made once more.
How long ______ teaching? Forty years.
An operation is usually performed by a ______.
He is the manager of the factory. He is ______ it.
The whole hall wants ______.