She says that she’ll have to close the shop business improves.(·江西 28)A. ifB. unlessC

问题补充：

She says that she’ll have to close the shop business improves.(·江西，28)

A. if

B. unless

C. after

D. when

答案：

A. if

B. unless

C. after

D. when

解析：B

解析本题考查状语从句的引导词。句意为：她说，除非生意好转，否则她只能关掉店铺。if如果；unless除非，如果不……；after在……之后；when当……的时候。根据句意，B项符合题意。