People drank a kind of tea _________ from leaves _________ a special chemical to reduce body pains and fever.
| A．making , possessed | B．made , possessing |
| C．having made, possessed | D．having been made, possessing |
If you are feeling so tired, perhaps a little sleep would____．
| A．act | B．help | C．serve | D．last |
We'd better take umbrellas—I'm sure it____when we arrive in London; it's always wet there at this time of year．
| A．will rain | B．is raining | C．will be raining | D．would rain |
—Hi, Betty, are you free at present? I have to ask you for a favor．
—_____．With pleasure
| A．Sorry, I am busy | B．Go ahead |
| C．Help yourself | D．Ask, please |
Steps must be taken _________ this kind of disaster will never happen again.
| A．so that | B．even if | C．because | D．as |
It is necessary for children to exchange ideas with parents from time to time so that the generation gap between parents and children can be _________.
| A．released | B．replaced | C．narrowed | D．disappeared |