________twice, the postman refused to deliver our letters ______we chained our dog.
| A．Being bitten …unless | B．Bitten…unless |
| C．Having bitten…if | D．Being bitten…once |
The science fiction ______ last month and now it is popular with children.
| A．came up | B．put up | C．came out | D．put out |
---Look at the timetable. Hurry up! Flight 4062 ______ off at 18:20.
---I will.
| A．takes | B．took | C．will be taken | D．has taken |
The room ______ door is painted green is our headmaster’s office.
| A．whose | B．its | C．which | D．of which |
Don’t worry, the guide will tell you how to avoid ______ ill while travelling.
| A．to get | B．being gotten | C．getting | D．to be getting |
To our surprise, Tom has ______ George as captain of our football team.
| A．replaced | B．placed | C．covered | D．reduced |