— I don’t think students should use mobile phones at school.
—______. They really have a bad influence on our study.
A. I agree with you B. Not at all
C. No problem D. It’s my pleasure
Many scientists believe that robots ______ able to talk like humans in 50 years.
A.were B.are
C.will be D.have been
— Why does the earth look blue in space?
— Because most of the earth’s surface ______ by water.
A.covers B.is covered
C.cover D.are covered
Look! The model is walking to us. ______ nice dress!
A.What B.What a
C.How D.How a
— What were you doing ______ I knocked at the door?
— I was sleeping.
A.unless B.once
C.when D.while
Mount Xiaolei is not far away from here, but it will still take us a few hours ______ there by bike.
A. getting B. to get
C. got D. get