After a heated discussion, the employees presented many suggestions which might help improve the quality of the company’s product.
| A．accurate | B．optimistic |
| C．positive | D．temporary |
It _____ to the airport.
| A．takes forty minute's drive to get | B．takes forty-minute drive to get |
| C．is forty-minutes' drive | D．is a forty-minute drive |
______ was done by the girl students.
| A．One three of the work | B．One third of the works |
| C．Two third of the works | D．Two thirds of the work |
Which of the following is wrong?
This book is easy enough for ______.
| A．a six-year-old child | B．a child of six years old |
| C．a child aged six | D．a six years old chil |
Fifty-six ______ twenty-seven makes eighty-three.
| A．plus | B．minus | C．times | D．divided by |
Every means ______ tried, yet no result ______encouraging up to now.
| A．have been ...is | B．has been...has been | C．have ...has been | D．has...is |