___________ caused the accident is still a complete mystery.
#73942
A
What
B
That
C
How
D
Where
推荐题目
If Mr. Dewey _____ present, he would have offered any possible assistance to the people there.
#66639
A
were
B
had been
C
should be
D
was
---Do you know the danger caused by smoking?---Yes, too many cigarettes can lead to_______ lung cancer.
#69887
A
a person suffers from
B
a person to suffer from
C
a person being suffered from
D
a person suffering from
（天津市河东区201 4年高三二模考试）12. Jim wanted to keep fit, so he spent as much time as he_______ exercise.
#66701
A
could taking
B
took
C
to take
D
could take
Not until the child fell asleep_______leave the room.
#72153
A
did the mother
B
does the mother
C
was the mother
D
is the mother
______ the bad weather, the children had to stay home all day.
#69360
A
Because of
B
Because
C
Because that
D
Because what