The 31st Olympic Games will take place in Brazil ______ 2016. 
#48023
A
at
B
on
C
in
D
by
推荐题目
---I heard your grandpa used to be a teacher. --- Yes. He was a math teacher ________.
#48992
A
on the 1950s
B
in the 1950s
C
at the 1950’s
D
in 1950’s
Women’s day is ________March.
#46414
A
on the eight of
B
on the eighth of
C
in the eighth of
D
on the eighth on
—The live football match between Brazil and America will begin ___________.—Really ? Let’s watch it __________. 
#50828
A
in one and a half hours’ time;at my uncle’s
B
in one and a half hours’;at my uncle
C
after one and a half hours’ times;at my uncles’
D
after one and a half hour’s time;in my uncle’s home