As nobody here knows what is wrong with the machine, we must send for an engineer to _________ the problem.
#66882
A
handle
B
raise
C
face
D
present
推荐题目
The boy you lent the pen to _____ it. 
#81673
A
break
B
breaking
C
broke
D
to break
He lost his job three months ago;       , he was seriously injured in an accident last week.
#68159
A
in the first place
B
to make matters worse
C
on the contrary
D
in other words