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题目内容
（国家开放大学理工英语3）
I really appreciate __________ to help me, but I am sure that I will be able to manage by myself.
选择一项：
A.
your offering
B.
that you offer
C.
you to offer
选择一项：
A.
your offering
B.
that you offer
C.
you to offer
参考答案
