. What caused the accident ______ on the road.
|
A．were stone |
B．were stones |
C．was stone |
D．was stones |
. Tom is the only one of the stall members who ______ to be promoted.
|
A．is going |
B．are going |
C．has been going |
D．have been going |
. Measles ______ a kind of infectious illness.
|
A．is |
B．are |
C．were |
D．have been |
. Her politics ______ neither conservative nor liberal.
|
A．is |
B．are |
C．was |
D．has been |
. Cattle ______ on the hillside.
|
A．grazes |
B．is grazing |
C．was grazing |
D．were grazing |
. The public ______ generous in their contributions to the earthquake victims.
|
A．is |
B．was |
C．are |
D．has been |
