(2013·江西，28)She says that she'll have to close the shop ________ business improves.
A．if B．unless C．after D．when
(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.
A．whatever B．whoever C．wherever D．whichever
(2013·湖南，23)You must learn to consult your feelings and your reason________you reach any decision.
A．although B．before C．because D．unless
(2013·北京，30)I took my driving license with me on holiday，________I wanted to hire a car.
A．in case B．even if
C．ever since D．if only
—Do you hear Jim and Mary broke up?
—No，I haven't heard of it，and neither ________ about it.
A．can I care B．do I care
C．I care D．I can care
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
A．are；were B．is；were
C．are；was D．is；was
