Question

We will do what we can______English well this term. -- Right, it is time for you to work hard.

A. learn B. to learn C. be learn D. be learning

Answer 1

选 B. to learn

详细的解析如下：
we (主语）will do（谓语）what（宾语） we can（定语从句）to learn English well this term.(目的状语

Answer 2

答案选B. to learn
动词不定式表目的。
这个学期我们将竭尽全力来学好英语。

Answer 3

to learn

Answer 4

B