单项选择题

Criticism and self-criticism is necessary （） it helps us to find and correct our mistakes.

A. by that
B. at that
C. on that
D. in that

<上一题 目录 下一题>
热门 试题

单项选择题
The grocer deals in tea, coffee, spices, and （）.

A. so much
B. etc.
C. so forth
D. alike
单项选择题
The policemen went into action （） they heard the alarm.

A. promptly
B. presently
C. quickly
D. directly
相关试题