问题
选择题
—We will do what we can ____ourselves this term.
—It’s high time for you to work hard. [ ]
A. improve
B. to improve
C. be improved
D. be improving
答案
答案：B
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—We will do what we can ____ourselves this term.
—It’s high time for you to work hard. [ ]
A. improve
B. to improve
C. be improved
D. be improving
答案：B