The study was carried out in one small town so we can’t be sure that the results are truly ________.
#19498
A
exact
B
proper
C
representative
D
natural
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It seems that there are       people out of work. Something must be done to solve the problem.
#18780
A
a great many
B
a great many of
C
a great deal
D
a great deal of
The twins has studied in this school  ________    .
#34898
A
two years ago
B
since two years ago
C
for two yeas ago
D
since two years
 Their sudden attack made us more ________ of the danger around us.
#18758
A
familiar
B
particular
C
aware
D
doubtful