25. Mother told Jim to watch the milk until it boiled and then _____ off the gas.
| A．turn | B．turning | C．turned | D．having turned |
A small car is big enough for a family of three ________ you need more space for baggage.
| A．once | B．because | C．if | D．unless |
The weather was ________ cold that I didn't like to leave my room.
| A．really | B．such | C．too | D．so |
—Have you got any idea for the summer vacation?
—I don't mind where we go ________ there's sun，sea and beach.
| A．as if | B．as long as |
| C．now that | D．in order that |
The lawyer seldom wears anything other than a suit ________ the season.
| A．whatever | B．wherever | C．whenever | D．however |
—Jim，you said you'd lend me your MP5.
—I'm sorry I forgot my promise but you ________ have it next Saturday.
| A．must | B．may | C．need | D．shall |