[ Vocabulary and Grammar ]
What time do your children usually go to bed ____ night?
A. at
B. in
C. on

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Mixed General Quiz › ViewThe income from the oil ___ to support one of the highest standards of living in the world.
a. has used
b. has been used
c. was using
d. was being used
Vocabulary and Idioms › View
British and Australian people share the same language, but in other respects they are as different as __.
A. chalk and cheese
B. salt and pepper
C. here and there
D. cats and dogs