. 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 |
. The committee ______ over the problem among themselves for two hours.
|
A．has argued |
B．has been arguing |
C．have argued |
D．have been arguing |
. The surroundings of his house ______ clean now.
|
A．is |
B．are |
C．was |
D．Were |
. The gas works ______ near the city.
|
A．is |
B．are |
C．were |
D．Be |
. Many a student ______ the importance of learning a foreign language.
|
A．have realized |
B．has realize |
C．have been realized |
D．has been realized |
