My father had so much work to do yesterday, and he didn't come back ________ I fell asleep.
A.until B.as C.unless D.when
—What do you think of your English teacher?
—I like him very much. He is ________ kind ________ hardworking.
A.either; or B.neither; nor C.not; or D.not only; but also
I would like to go shopping with you this afternoon, ________ I feel very terrible now.
A.so B.but C.and D.or
You'd better practice your spoken English well ________ you go to America for further education.
A.before B.after C.because D.unless
(2019石家庄28中一模)They didn't continue to climb the mountain ________ the weather is becoming worse and worse.
A.because B.if C.unless D.though
(2019保定莲池区一模)Our school basketball team lost the match, ________ we still have confidence in them.
A.but B.or C.and D.so
