单项选择题
The chief engineer suggests that the second engineer （） a dead line for handing in the work plan.
A.will set
B.shall set
C.set
D.sets
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After he （） the test, the engineer put down the results.
A.has finished
B.finishes
C.had finished
D.would finish -
单项选择题
Now that the valve is not worth （）, I suggest it （）.
A.to repair；to renew
B.repairing；be renewed
C.repairing；will be renewed
D.to repair；to be renewed -
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（） to damage the protective coating on the inner side of the shell.
A.Care to be not taken
B.Care not to be taken
C.Care to be taken not
D.Not care to be taken
