单项选择题

We consider 'it of great importance ______ children should form the habit of being ready to help others.

A．when
B．if
C．that
D．where
<上一题 目录 下一题>
热门 试题

填空题
He makes a note of the assignment lest he (forget) ______ it.
单项选择题
Do you mind keeping a(n) ______ on the flowers for us while we are away
A．hand
B．look
C．eye
D．view
相关试题