—I can’t find my notebook, mom. _______ is it?  —Peter, it’s under the chair.
#40796
A
What
B
Where
C
When
D
How
推荐题目
______ can cause high blood pressure and hearing problems.
#41189
A
Air pollution
B
Water pollution
C
Light pollution
D
Noise pollution
_____ we need more time is obvious.
#40748
A
What
B
That
C
/
D
Who