We went to Mountain Tai last weekend, ________, not surprisingly, was crowded with visitors.
#4977
A
that
B
which
C
where
D
when
推荐题目
She doesn't know _________________ made her daughter so sad this morning.
#4816
A
what was it
B
why it was that
C
how that was
D
what it was that
–Bill is warm-hearted and works hard.—________ his sister Betty. 
#4650
A
So is
B
So does
C
Nor does
D
It’s the same with
Tony showed me his new cell phone,  _______  was small but it could change colors in different weather.  
#4967
A
the screen of whom
B
whom the screen of
C
which the screen of
D
the screen of which