The doctors are tryinga new kind of medicine to cure the patient.
A. using
B. to use
C. use
D. used
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The student entered the office without.
A. being asked
B. asking
C. ask
D. to be asked
The new college graduate insistedwhere he was most needed.
A. to be sent
B. on being sent
C. on sending
D. to send
All cars ______ nowadays are equipped with safety belts.
A. to be produced
B. making
C. producing
D. produced
--I usually go to Shanghai by train. --Why not ______ there by boat for a change.9
A. to try to go
B. try going
C. to try going
D. try to go
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