Though measures have now been taken to prevent further price hikes, many people remain over the rising cost of food.
| A．concerning | B．concerns |
| C．concern | D．concerned |
When he turned professional at the age of 11，Mike________to become a world champion by his coach and parents.
| A．expected | B．was expecting |
| C．was expected | D．would he expected |
Although medical science________control over several dangerous diseases，what worries us is that some of them are recurrent.
| A．achieved | B．has achieved |
| C．will achieve | D．had achieved |
—What's the party like?
—Wonderful.It's years________I enjoyed myself so much.
| A．after | B．when | C．before | D．since |
________a certain doubt among the people as to the practical value of the project.
| A．It has | B．They have |
| C．It remains | D．There remains |
We ________ contact with each other for years. And last week we ________ contact again.
| A．lost; made | B．have been out of; got into |
| C．had been out of; made | D．came; kept |