My sister isn’t in. ________ she comes back, I’ll let her call you back. 
#41346
A
While
B
Until
C
Before
D
When
推荐题目
The place ___ I often visit is a place ___ salves used to be sold.
#71558
A
which ; where
B
where ; where
C
which; which
D
where; which
I’ve already told you that I’m going to buy it, ________.
#67719
A
how much does it cost
B
no matter how it costs
C
however does it cost much
D
however much it costs
Tom showed me his new cell phone, _______  was small but it could change colors in different weather.   
#69688
A
the screen of whom
B
whom the screen of
C
which the screen of
D
the screen of which