Most of the mistakes ____because of carelessness.
#86114
A
weremade
B
aremade
C
hasbeenmade
D
weremaking
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____of the land in that district ____covered with trees and grass.
#86345
A
two fifth; is
B
two fifths; are
C
two fifths; is
D
two fifths; are
Every means , but none proved .
#85757
A
have tried; a success
B
have been tried; successful
C
has tried; to be successful
D
has been tried; successful
E-mail, as well as telephones, ____ an important part in daily communication.
#85683
A
is playing
B
have played
C
are playing
D
play
Our school has about 100 computers, but only sixty percent ____ used regularly.
#85661
A
is
B
are
C
was
D
were