___________ right now, she would get there on Friday.
A. Would she leave
B. If she leaves
C. Were she to leave
D. If she had left
Only under special circumstances ________ to surf online.
A. are freshmen permitted
B. freshmen are permitted
C. permitted are freshmen
D. are permitted freshmen
Hardly______ the airplane_________ when the waiting crowd ran toward it.
A. had, landed
B. has, landed
C. did, land
D. was, landing
In the classroom ________ .
A. had many students sat
B. many students sat
C. sat many students
D. did many students sit
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