单项选择题
A.represent B.represents C.representing D.being represented
The chief engineer suggests that the second engineer （）...
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
After he （） the test, the engineer put down the results...
单项选择题After he （） the test, the engineer put down the results.
A.has finished B.finishes C.had finished D.would finish
Now that the valve is not worth （）, I suggest it （）.A.t...
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
