Birds singing is sometimes a warning to other birds away.
| A．Stay | B．staying | C．stayed | D．to stay |
More and more high-rise buildings have been built in big citiesspace. ( 2010 .福建)
| A．in search of |
| B．in place of |
| C．for lack of |
| D．for fear of |
As soon as she saw him, shethat something had happened.
| A．hoped |
| B．believed |
| C．sensed |
| D．guessed |
It’s getting late --- time to .
| A．set off |
| B．set up |
| C．set an example |
| D．set down |
His writing is so confusing that it’s difficult to make out _____it is he is trying to express.
| A．that |
| B．how |
| C．who |
| D．What |
— We got here Tuesday afternoon.
— _____ Why didn’t you call us earlier?
| A．Good luck! |
| B．You did? |
| C．It’s no surprise. |
| D．You are welcome |