—Mary can't help ______ the house. Why?
—Because she is busy______ a hotel reservation.
A. cleaning; making B. to clean; making C. cleaning; to make
Tom isn’t to go to school .
| A．old enough | B．enough old | C．young enough | D．enough young |
They have something common. Both of them are good dancing.
| A．in; on | B．in ; at | C．at ; on | D．at ; at |
The teacher asked the students to a story about a trip to the moon.
| A．get up | B．stay up | C．put up | D．make up |
---Time is money.
---But I think it is money.
| A．the same as | B．as important as | C．more important than | D．so important as |
---Ann, I’m worried I’m getting fatter. What shall I do?
---I think you should eat food and do more exercise.
| A．more | B．less | C．much | D．little |