. Such animals like dinosaurs died out because they could not _________ to the change of the climate.
| A．suit | B．keep | C．adapt | D．switch |
Healthy eating as well as regular exercise __________ a good way to keep healthy.
| A．is | B．was |
| C．are | D．were |
There was __________ apples in the basket and there __________ quantities of milk in the bucket.
| A．a number of; were | B．quantities of; was |
| C．a quantity of; were | D．a good many; was |
As a result of destroying the forests, a large __________ of desert __________ covered the land.
| A．number; has | B．quantity; has |
| C．number; have | D．quantity; have |
__________ of the land in that district __________ covered with trees and grass.
| A．Two fifths; is | B．Two fifth; are |
| C．Two fifth; is | D．Two fifths; are |
Every boy and every girl as well as some teachers who __________ to visit the museum __________ asked to be at the school gate before 6:00 in the morning.
| A．are; are | B．is; is |
| C．is; are | D．are; is |