Question

-Do you think we can get there on time?
-Yes，_______ the truck doesn’t break down.　

A．even if	B．unless
C．until	D．so long as

Answer 1

D。

so long as=if。unless"除非"…unless the truck breaks down. 【译文】—你认为我们会准时到达那儿吗？—会的。只要车不出问题。