Zhengzhou was attacked by such a terrible sandstorm ________ few residents had ever experienced before.
#31121
A
which
B
as
C
where
D
that
推荐题目
To improve the quality of our products, we asked for suggestions _____ had used the products.
#32306
A
whoever
B
who
C
whichever
D
Which
---Did Tom come back late last night?---No. It was not yet 8 o’clock ____ he arrived home.
#31145
A
before
B
when
C
that
D
until
--With the country’s pension fund gap becoming wider than ever, retirement age should be postponed immediately. ---Easier said than done. we take all factors into account, we shall be faced with some other social problems.
#30736
A
Unless
B
Until
C
When
D
Once
It is difficult for us to imagine_____ life was like for slaves in the ancient world.
#30005
A
where
B
what
C
which
D
why
To live in honor, he came from a poor family, was his ambition.
#33382
A
though
B
if
C
unless
D
however