问题
选择题
(2013·江西，28)She says that she'll have to close the shop ________ business improves.
A．if
B．unless
C．after
D．when
答案
答案：B
考查状语从句。根据句意：如果生意没有好转，她就只得关店铺。unless＝if...not(如果不)，故答案选B。
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(2013·江西，28)She says that she'll have to close the shop ________ business improves.
A．if
B．unless
C．after
D．when
答案：B
考查状语从句。根据句意：如果生意没有好转，她就只得关店铺。unless＝if...not(如果不)，故答案选B。