--It is a long time since I saw my sister.
-- her this weekend?
| A．Why not visit |
| B．Why not to visit |
| C．why not visiting |
| D．why don＇t visit |
No one ________ the building without the permission of the policeman.
| A．is leaving |
| B．is to leave |
| C．has left |
| D．will be leaving |
We usually take turns ________ some cleaning, and today it is my turn ________ it.
| A．to do; doing |
| B．do; do |
| C．done; doing |
| D．to do; to do |
Seeing the bad results of the exams, she was rather frustrated and felt _________ about her future.
| A．surprising |
| B．puzzling |
| C．puzzled |
| D．surprised |
In this skit(滑稽短剧)the main character says that his cock has just _________ an egg.
| A．put |
| B．laid |
| C．lain |
| D．lied |
Recently a kind of industrial glue which is ________ to people’s health has been found in some medicine.
| A．harmful |
| B．harmless |
| C．good |
| D．friendly |