Question

(2013·高考江西卷)She says that she’ll have to close the shop________business improves.

A．if	B．unless
C．after	D．when

Answer 1

B

选B。句意：“她说如果生意不见好转，她就不得不关闭这家商店。”unless意为“除非；如果……不……”，符合语境。