If we ___________the flight yesterday, we would be enjoying our holiday on the beach.
| A． |
had caught |
B． |
caught |
C． |
have caught |
D． |
would catch |
When and where to build the new factory _____not decided yet .
| A．is | B．are |
| C．has | D． have |
The boy as well as the two dogs _____ when the earthquake rocked the city.
| A．were sleeping | B．is sleeping |
| C．was sleeping | D．are asleep |
________ children whose parents had died in the earthquake ________ sent to other families.
| A．A great number of; was |
| B．A large number of; were |
| C．The great number of; was |
| D．The great number of; were |
Between the two lectures _____ a break, _______ the audience can buy ice cream.
| A．is; when | B．are; when |
| C．are; which | D．is; which |
One third of the country ________ covered with trees and the majority of the citizens________black people.
| A．is; are | B．is; is |
| C．are; are | D．are; is |