If people________ cutting trees down, forests________ sooner or later.
A.keep; disappear B.keep; will disappear
C.will keep; disappear D.will keep; will disappear
—Are you ________of the dark?
— Yes, so I always go to sleep with my bedroom lights ________.
A.worry; on B.terrify; off C.fear; off D.afraid; on
Many foreigners come to China to have a trip________ spring.
A.at B.on C.in D.for
________ he is good at all subjects, he studies hard every day.
A.Though B.Because C.And D.But
—Hi, Jim! Is this your book or Jack’s?
— It’s mine, not________book.
A.her B.him C.his D.hers
—You’d better practise ________English in class and after class.
—OK. I will.
A.speak B.to speak C.speaks D.speaking