You can take anything from the shelf and read，but please ________ the books when you've finished with them.
| A．put on | B．put down | C．put back | D．put off |
I commanded that heat once.
| A．left | B．leaves | C．leave | D．to leave |
What a wonder! They have finished40% of the task within one week.
| A．no more than | B．no less than |
| C．not more than | D．much less than |
If shethat Mary would come to see her, she would never have gone to the party.
| A．had known | B．knew | C．knows | D．would know |
I can’t remember when exactly the Robinsons leftcity. I only remember it was Monday.
| A．the, the | B．a, the | C．the, a | D．a, a |
Housing prices in Beijing and Shanghai are now largelyfor low-income families,
| A．out of control | B．out of touch | C．out of reach | D．out of order |