. ______ are allowed to take part in the outdoor activities.
| A．Old enough children to dress themselves | B．Children enough old to dress themselves |
| C．Children old enough to dress themselves | D．Enough old children to dress themselves |
Joining the firm as a clerk, he got rapid promotion through his diligence and _____ as a manager last year.
| A．dropped out | B．came back | C．ended up | D．started off |
The girl planned to have dance lessons at the training centre with her friend ______ she would stay for an hour.
| A．who | B．where | C．what | D．which |
It is illegal for a public official to ask people for money ____ favors to them.
| A．in preference to | B．in place of |
| C．in agreement with | D．in exchange for |
–Bill is warm-hearted and works hard.
—________ his sister Betty.
| A．So is | B．So does | C．Nor does | D．It’s the same with |
–How can I operate this machine?
—Well, just refer to the _______.
| A．explanations | B．expressions | C．introductions | D．instructions |