--What is that on the table? --Oh, a set of ___________ on the table.
#43644
A
key is
B
keys are
C
keys is
D
key are
推荐题目
It was not I but you who the first to run to the goal in that competition.
#85930
A
is
B
was
C
are
D
were
Every means , but none proved .
#85757
A
have tried; a success
B
have been tried; successful
C
has tried; to be successful
D
has been tried; successful
The important sports festival, the Olympic Games, held every years.
#43937
A
is, five
B
are, three
C
is, four
D
are;two
