--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
Faced with a bill for $10,000, _____.
#86001
A
Smith has taken an extra job
B
the boss has given Smith an extra job
C
an extra job has been taken
D
an extra job has been given to Smith
 China is one of________ countries in the world.
#43480
A
the largest
B
the larger
C
the large
D
larger
E-mail, as well as telephone, ______ an important part in daily communication.
#85906
A
is playing
B
have played
C
are playing
D
played