Our new teacher is not experienced and can't make himself clearly in class.
A. understanding
B. understood
C. to understand
D. understand
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Under no circumstances leave his post.
A. a soldier shouldn't
B. a soldier should
C. shouldn't a soldier
D. should a soldier
Five hundred thousand two hundred and eighty means .
A. 5280
B. 50,280
C. 500,280
D. 500,208
I used to smoke but now I gave it up a year ago.
A. seriously
B. heavily
C. badly
D. severely
Our people may get sick, our city may get sick, but we as a nation, we never ever get sick.