We won’t allow _____in the museum. But you are allowed _____in the rest room.
| A．smoking; smoking | B．smoke; to smoke |
| C．smoking; to smoke | D．smoke; smoking |
We will have a ___holiday after the exam.
| A．two months’ | B．two-month |
| C．two-months | D．two months |
Though it was late, _____he went on with his work.
| A．but | B．and | C．so | D． / |
He has a friend who_____the piano very well.
| A．play | B．playing | C．plays | D．played |
I____singing to dancing.
| A．like | B．enjoy | C．love | D．prefer |
“Help _____to some fish。” Mrs Smith said to the children.。
| A．you | B．yourself | C．yourselves | D． yours |