___________ healthy, with easy access to affordable medical care, is still a dream for many people with medicine prices ___________ sharply.
| A．Keep; rise | B．Keeping; rising |
| C．To keep; risen | D．Having kept; to rise |
Over 80 percent of the population _____ workers.
| A．will be | B．are | C．is | D．was |
A professor and writer ____ present at the meeting last night.
| A．had been | B．were | C．is | D．was |
The boy at the back is the only one of the students who _____ from Africa in our school.
| A．was | B．were | C．is | D．are |
It is not I but you who ______ the first to run to the goal in that competition.
| A．is | B．was |
| C．are | D．is going to |
Each boy and each girl ______ a new book.
| A．have gone | B．has gone |
| C．have got | D．has got |