____ is bad for your health.
A. Stay up late B. Staying up late C. To stay up late
These shorts are on sale.They are____25 yuan each.
| A．always | B．only | C．sure | D．sometimes |
They put their books____to make the library clean and tidy.
| A．under the chair | B．on the floor | C．behind the door | D．in the bookcase |
There____some bread. Would you like to try it?
| A．is | B．are | C．has | D．have |
My father lost ____keys. Now he can’t get into the house, the office or the garage (车库).
| A．a pair of | B．a piece of | C．a cup of | D．a set of |
Tomorrow we are going to Xixi National Wetland Park. Let’s____at the gate on Wensan Road.
| A．meet | B．email | C．call | D．help |