______ some problems have arisen in the process, we are confident that we can handle them.
#93100
A
As
B
If
C
While
D
Since
推荐题目
 The manager has to get all these washing machines______.
#94841
A
to deliver
B
be delivered
C
delivered
D
delivering
_________ whether China’s post-90s generation is strawberry generation.
#92845
A
There is much possibility
B
There is much doubt
C
It is much possibility
D
It is much doubt
–What would you rather do, take a walk or swim?–I       taking a walk       swimming.
#93324
A
would rather, than
B
would like, than
C
prefer to, than
D
prefer, to
__ won’t be of much help. 
#94030
A
Tom’s going
B
Tom going
C
tom to go
D
Tom goes