As nobody here knows what is wrong with the machine, we ________send for an engineer to handle the problem.
| A．should | B．must | C．can | D．would |
相关试题
_____ life will continue on the earth for millions of years to come will depend on ______this problem can be solved.
| A．Whether; that | B．That; why | C．Thathow | D．Whether; whether |
I’m afraid it will cost _________ money.
A. a great many B.a large amount of C
. a great number of D. a lot
______you’ve got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
He couldn’t have Yong Hui __________ telling people lies.
| A．getting away from | B．getting away with | C．get away from | D．get out of |
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