It’s not easy to change habits,________ with awareness and selfcontrol,it is possible. (2013·重庆,23)
A.for B.or
C.but D.so
Don’t turn off the computer before closing all programs,________ you could have problems. (2013·北京,22)
A.or B.and
C.but D.so
I was glad to meet Jenny again,________ I didn’t want to spend all day with her.
(2013·大纲全国,23)
A.but B.and
C.so D.or
She says that she’ll have to close the shop ________ business improves.(2013·江西,28)
A.if B.unless
C.after D.when
Mark needs to learn Chinese________his company is opening a branch in Beijing.
(2013·山东,26)
A.unless B.until
C.although D.since
You must learn to consult your feelings and your reason________you reach any decision. (2013·湖南,23)
A.although B.before
C.because D.unless