If Mr. Zhongpresent, he would have offered any possible medical assistance to the people in need.
A. was
B. had been
C. is
D. has been
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the morning bus, he would not have been late for the graduation ceremony.
A. Did he catch
B. Should be caught
C. Has he caught
D. Had he caught
My supervisor was abroad during the months when we were carrying out the project, or he to our help.
A. would have some
B. could come
C. have come
D. had come
Ito my best friend's birthday party last night, but I was not available.
A. went
B. had gone
C. would go
D. would have gone
--Do you think George has passed the driving test?-- No. If so, he his car to our college yesterday.
A. would drive
B. drove
C. would have driven
D. had driven