问题

Today some people call Amsterdam the “City of Bicycles”____ the convenience for bicycles there

A:while
B:before
C:because
D:because of

正确答案是：

同类题型

下列解释有误的一项是

Knowing what colors look good _______ your skin is of great importance when you buy clothes

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is the man standing thereIf you know, his name is Mike.

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