Tom and I ____students.
#42572
A
are
B
am
C
is
D
be
推荐题目
 All the _________ things need air and water. Without air or water, nothing can stay _______.
#42324
A
living; living
B
living; alive
C
alive; alive
D
alive; living
—_____will you stay here?     —Until tomorrow afternoon.
#40527
A
How long
B
How soon
C
When
D
How often
Beijing is one of the _______ in the world today. 
#37265
A
busiest city
B
busiest cities
C
busy city
D
busy cities