____ caused the accident is still a complete mystery.
#4984
A
What
B
That
C
How
D
Where
推荐题目
.If _____,the experiment will be successful.
#4718
A
carefully doing
B
it done carefully
C
carefully done
D
doing carefully
_____ the government agrees to give extra money , the theatre will have to close.
#4886
A
Until
B
Unless
C
Since
D
While
.The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.
#4790
A
accounts for; that
B
due to; whether
C
brings in; what
D
comes up; why
.The horses________each other________the first prize in the match.
#4781
A
competed against; for
B
competed against; to
C
completed against; for
D
completed; to get
The town _______ we visited last month is the one _______ the famous painter was born.
#4978
A
where; which
B
which; where
C
which; that
D
where; where