题目内容
We must ________ English well.
[
]
A .do one's best to study |
B .do our best to learn |
C .do our best studying |
D .make our best to learn |
答案:B
解析:
解析:
do one's best 表示“尽力”,后接不定式。 |
练习册系列答案
相关题目