The staff in the supermarket Father Christmas to welcome the customers on Christmas Day.
| A．are dressed in | B．are dressed up |
| C．dress up as | D．dress up |
当你称呼李老师（男）时，应如何称呼？________.
| A．Teacher Li | B．Mr. Li | C．Miss Li | D．Sir Li |
-My mother is ill. -________
| A．Don't worry. | B．No hurry. | C．I'm sorry to hear that. | D．OK. |
We should not eat ________junk food.
| A．too many | B．too much | C．many too | D．much too |
I think walking is________ our health.
| A．good at | B．bad at | C．well in | D．good for |
I can’t wait__________ the nice picture.
| A．buy | B．to buy | C．buying | D．bought |