No worker and no engineer           who it is that is           for the explosion of the chemical factory.
#85749
A
know; to blame
B
would know; blamed
C
know; to be blamed
D
knows; to blame
推荐题目
When and where to go for the on-salary holiday         yet.
#85736
A
are not decided
B
have not been decided
C
is not decided
D
has not been decided
When you are in trouble, you may _______ your teacher and classmates for help.
#85947
A
turn away
B
turn around
C
turn back
D
turn to
 __we didn't get seems better than __we had. 
#43475
A
what what
B
what that
C
that that
D
that what