问题

_____ he has made up his mind to do something, nothing will stop him[ ]

A: Once
B: Before
C: Although
D: As soon as

正确答案是：

同类题型

下列交际用语使用得体的一项是（）

Fei Junlong and Nie Haisheng are the ______ of our nation.

Was it 80 years before Christopher Columbus crossed the Atlantic ______ Zheng He hadsailed to East Africa?

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