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 |
Without permission, no one ______ let out the news.
| A．shall | B．should |
| C．is supposed to | D．is allowed |
A 6.5-magnitude earthquake ________ southwest China’s Yunnan Province on the afternoon of August 3, leaving 615 dead and more than 3140 injured .
| A．hitted | B．strike | C．struck | D．stuck |
It hasn’t been ______ that food from cloned animals is really safe for humans to eat.
| A．confirmed | B．considered |
| C．turned out | D．proved |
We wanted to purchase the house, but couldn’t ________ the money.
| A．come down with | B．come up with |
| C．bring out | D．bring in |
The audience _______ as they waited for the comedian to come on the stage.
| A．fell silence | B．fell silent |
| C．fall silently | D．feel silent |