Thomas Edison was one of _____ greatest inventors in the world.
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My brother and I usually go to school by ____ bus.
A. a
B. /
C. the
I studied ______ English in ______ England.
A. /,/
B. an,the
C. an,an
Kathy takes ______ walk after supper every day.
A. the
B. a
C. /
We have no classes on ____ Sundays.
A. the
B. a
C. /