—I believe it is the only solution to this problem.
—That’s debatable, I think. I can five other solutions as good as that.
| A．come up with | B．make up with | C．live up with | D．keep up with |
___________ so delicious, the soup is very popular with the kids.
| A．Tasted | B．Tasting | C．To taste | D．Taste |
__________ these tips, and your time _______ doing research on the Internet _________ much worthwhile.
| A．Following, will spend, is | B．Followed, spent, was |
| C．Follow, spent, will be | D．To follow, spending, has been |
While doubts about the medicine’s safety have____________, interest continues to grow.
| A．dropped out | B．fell down | C．withdrew from | D．faded away |
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 |