If_____litters,our world will be more beautiful.
A.everyone B.someone C. anyone D. no one
—Can the plane fly _____ the Atlantic Ocean?
—Yes,but it needs to go_____the clouds for hours.
A.across,through B. through, across
C. across, across D. through, through
—Can you tell me _____when the teacher came into the classroom?
—Sorry,I don’t know.
A.what were the students doing
B.what are the students doing
C. what the students were doing
D. what the students are doing
The teacher said that _____ of the boys would take part in the fashion show.
A.two third B.three fives
C.three quarters D. three fifth
—______ did your sister leave China?
—She______ for three years .
A.When, has left B.When ,has been away
C.How long,has left D. How long,has been away
