There is even an animal whose tail will _____ so that it can run away if someone grabs it.
| A．break down | B．break up | C．break out | D．break off |
around Tian’anmen Square, the tourists were taken to visit the Palace Museum.
| A．Showing | B．Having shown |
| C．Being shown | D．Having been shown |
The professor ________ you at the party was my tutor (导师).
| A．making himself knowing | B．making him known for |
| C．making himself known to | D．makes he known to |
There are many old trees in our school, each ________ about 100 years ago.
| A．dates back to | B．dating from |
| C．dated back | D．which dated to |
We should put away all medicines out of reach of children and make sure they are not left ________.
| A．lie round | B．laying around |
| C．lain round | D．lying around |
________ in an atmosphere of simple life was what her parents wished for.
| A．The girl was educated | B．The girl educated |
| C．The girl’s being educated | D．The girl to be educated |