—We’ll do what we can English well this term.—It’s high time for you to work hard.A. stud

问题补充：

—We’ll do what we can English well this term.

—It’s high time for you to work hard.

A. study

B. to study

C. be studied

D. be studying

答案：

A. study

(答案→)B. to study

C. be studied

D. be studying

解析：考查不定式做目的状语。what we can（do）为宾语从句