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By the time he retires,Carl () president for 15 years at the university.
A.will be
B.would be
C.has been
D.will have been
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A.will be
B.would be
C.has been
D.will have been
He'll be an astronaut by the time he ______ thirty.
A.is
B.had been
C.will he
D.is going to be
A.nor
B.almost
C.barely
D.even
Not until I reminded him for he third time ______ watching TV and went to bed.
A.that he stopped
B.does he stop
C.did he stop
D.that he stops
He will surely finish the job on time ______ he's left to do it in his own way.
A.in that
B.so long as
C.in case
D.as far as
A.failed to
B.failed in
C.failed of
D.failed on
A.nor
B.barely
C.almost
D.even
He is working very hard to ______ the lost time in the past 10 years.
A.make of
B.make up for
C.make up
D.make out
A.moment
B.way
C. time
D.manner
Though he spent much time on the last maths problem,yet he still couldn’t__________it.
A.solve
B.count
C.reflect
D.determine
John's suit was old and it was high time he ______ a new one.
A.would buy
B.bought
C.buys
D.will buy