--- How many of you have solved the math problem?--- ________, the math problem is far too difficult for us to work out. .
#57180
A
All
B
None
C
Nobody
D
Everybody
推荐题目
-He eats _____food, so he is ______fat.
#57631
A
too much, much too
B
too much, too many
C
much too, too much
D
much too, many too
We had to be patient because it___some time ___we got the full results. 
#16925
A
has been ; since
B
had been ; until
C
was; after
D
would be ; before