单项选择题

He is good at English, （）we all know.

A. that
B. as
C. whom
D. what

<上一题目录下一题>

热门试题

单项选择题

This is （）the river has been polluted.

A. what
B. why
C. that
D. whether

单项选择题

The United States （）a western country. The Philippines （）in the Pacific Ocean.

A. is; are
B. are; is
C. is; is
D. are; are

相关试题