问题
If you have any trouble, be sure to call me.—______________.
A:of; for
B:of; of
C:for; for
D:for; of;
B:of; of
C:for; for
D:for; of;
正确答案是：
同类题型
Joining the firm as a clerk,he got rapidpromotion, and____as a manager.[ ]
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