We must________an idea to stop people from looking down at their mobile phones while driving cars.
A.come true B.come from C.come out D.come up with
Students should learn how ________problems.
A.solve B.solves C.can solve D.to solve
Because of the bad weather, we have to _________ the meeting till next week.
A.take off B.get off C.put off D.set off
They often help ______ sick children in the children’s hospital.
A.cheer up B.clean up C.set up D.make up
______ vacations by the sea is Dale’s dream.
A.Spend B.Spending C.Spends D.Spent
—Who is the ________ of the house?
—Mr. Black. He bought it last year.
A.passenger B.guest C.visitor D.owner
