Question

You'd better have a try, ________ you'll lose such an opportunity．

[　　]

A．

however

B．

therefore

C．

otherwise

D．

besides

Answer 1

答案：C
解析：

句意为：你最好试一下，否则你将失去这么一个机会。otherwise否则，要不然；however可是，然而；therefore因此；besides除了……之外(还有)……。