--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
 In that train accident, _____ who were killed was more than 2000.
#85829
A
a number of people
B
the number of people
C
many people
D
a large number people
Three-fourths of the buildings ______.
#85968
A
was destroyed
B
is destroyed
C
were destroyed
D
has been destroyed