Question

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

1. A.
   however
2. B.
   therefore
3. C.
   otherwise
4. D.
   besides

Answer 1

C
句意為：你最好試一下，否則你將失去這么一個(gè)機(jī)會(huì)。otherwise否則，要不然；however可是，然而；therefore因此；besides除了……之外(還有)……。