问题

Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)

A:when
B:which
C:where
D:while

正确答案是：

同类题型

［11·河北中考］Tony is a quiet student, ________ he is active in class.

The Internet gives students the chance to have the materials they need _________ to them quickly and cheaply.

oned you yesterday morning. A girl answered, butI didn’t recognize the voice.— Oh, it ____ my younger sister. She was in my room atthat moment.

My mother is hard-working, and she always gets up ______ in my family.

He speaks English well indeed, but of course not___________a native speaker