_________ caused the accident is still a mystery.
#30978
A
How
B
What
C
That
D
Where
推荐题目
____ a computer works is a question ___ not everyone cad answer quickly.
#34313
A
That；which
B
How；that
C
What；which
D
When；that
_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.
#30757
A
In case
B
Provided that
C
Unless
D
As if
I’m sorry I got caught in the traffic；_________, I could have been here sooner．
#33598
A
besides
B
although
C
anyway
D
otherwise
The reason __________ she gave for not finishing the homework is that she was ill.
#31173
A
why
B
what
C
that
D
for