—Mike, the office is in a mess; it's your turn to clean it up.
—________ I did it yesterday and the day before yesterday.
| A．Don't count on me! | B．Back in a moment! |
| C．Don't fall for it! | D．Get off my back! |
— According to my grandma, it is a good idea to eat chicken soup when you have a cold.
— ________, scientists agree with her.
| A．Sooner or later | B．Once in a while | C．To be exact | D．Believe it or not |
The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
So much of interest ________ that most visitors run out of time before seeing it all.
| A．offers Beijing | B．Beijing offers | C．does Beijing offer | D．Beijing does offer |
— Did you remember to give Mary the money you owed her?
— Yes, I gave it to her ________ I saw her.
| A．constantly | B．directly | C．suddenly | D．supposedly |
The good thing about children is that they ________ very easily to new environments.
| A．adapt | B．appeal | C．adopt | D．apply |