The twins,______at birth,do not know each other .
| A．separated | B．being separated | C．having separated | D．having been separated |
If you want to change for a modern room, you will have to pay________$ 15.
| A．another |
| B．other |
| C．more |
| D．each |
I don't think we've met before. You're taking me for________.
| A．some other |
| B．someone else |
| C．other person |
| D．one other |
Now researchers say that middle age________be the most fruitful time of life, full of new growth and development.
| A．must |
| B．should |
| C．will |
| D．can |
When asked by the police, he said that he remembered________at the party, but not________.
| A．to arrive; leaving |
| B．to arrive; to leave |
| C．arriving; leaving |
| D．arriving; to leave |
________all over the hills and around the lake are wild flowers of different kinds.
| A．To grow |
| B．Growing |
| C．Grown |
| D．Grow |