As we all know, smoking ___________ people’s health.
| A．is harmful to | B．do harm fo | C．does harmful to | D．harm |
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 |
—Who would you like to see at the moment?
—The man ________ Mr. Grant.
| A．called himself | B．we call him |
| C．calling himself | D．is called |