John has two brothers， but either ____out of work now.
|
A．are |
B．is |
C．has |
D．have |
The Chinese people _____hard-working and brave.
|
A．are |
B．is |
C．has been |
D．are being |
Nobody ____to smoke in the cinema.
|
A．allows |
B．allow |
C．is allowed |
D．are allowed |
The air in big cities _____very dirty by factories.
|
A．are often made |
B．is often made |
C．have often made |
D．has often made |
All but one ____here just now.
|
A．is |
B．was |
C．has been |
D．were |
_____turn green in spring.
|
A．Leaf |
B．Leafs |
C．Leave |
D．Leaves |
