The 31st Olympic Games will take place in Brazil ______ 2016.
#48023
A
at
B
on
C
in
D
by
推荐题目
I think ______ is necessary ______ us to do something useful to protect the birds.
#50276
A
this; for
B
it; of
C
this; of
D
it;for
My sister has to study ___ her Chinese test ___ Tuesday morning.
#50448
A
at, on
B
on, for
C
for, in
D
for, on
Our school sports meeting will start _________ the morning of next Saturday.
#51299
A
on
B
at
C
in
D
to
- Would you please help me ______, Wang Fei? This question is too hard for me.- OK. Let me try.
#48327
A
after
B
up
C
Out
D
with