The people of the city of Tangshan thought little of these strange events and went to sleep _________ that night .
A. as a result B as a matte of fact C as usual D as well
Do you know in what circumstances was it____________ Jack achieved his goal?
| A．how | B．where | C．when | D．that |
If penicillin _____________ available, many people ______________ from sickness.
| A．weren’t , would have died | B．shouldn’t be, would die |
| C．hadn’t been, would have died | D．is, will die |
Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
| A．which, considered, being | B．that, considering, been |
| C．that, to consider, being | D．which, considered, to be |
Not only _____________ vital for reducing fever, but __________ also other things that it can help with.
| A．aspirin has proved, are there | B．has aspirin proved, there are |
| C．has proved aspirin, are there | D．aspirin had proved, there are |
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 |