In winter, we must pay attention to _________.
| A．keep warm | B．keep warmly | C．keeping warm | D．keeping warmly |
Who teaches ___ English?
No one. I teach _____.
| A．your, myself | B．you, me | C．your, me | D．you, myself |
____ mothers can’t go to the meeting, because they have gone to Beijing.
| A．Alice and Lily’s | B．Alice’s and Lily’s |
| C．Alice and Lily | D．Alice’s and Lily |
It’s an important decision for you, so______ your time and think it over.
| A．take | B．waste | C．kill | D．save |
The song made my father ________his childhood.
| A．think over | B．think about |
| C．think up | D．think of |
My uncle ________ a worker, but now he _______in an office.
| A．is, was | B．used to, is working |
| C．use to be, works | D．used to be, works |