Youhave made great progress since two months ago.A. sure B. are sure of C. certain D. make

发布时间：2020-08-15 02:09:53

You    have made great progress since two months ago.
A. sure
B. are sure of
C. certain
D. make sure

网友回答

A. sure
B. are sure of
C. certain
D. make sure
解析：sure 副词，确实，当然。例如：He sure is tall.他的确很高。
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