—How old is Tom?—He is ____.
#51380
A
fourteen years
B
fourteen year old
C
fourteen old
D
fourteen
推荐题目
By the first day of August, 2007, the PLA has its ______ birthday.
#51372
A
eighty
B
the eightieth
C
eightieth
D
eighties
There are _______ doctors and nurses working hard in that hospital.
#51378
A
thousands of the
B
two thousands
C
thousand of
D
two thousand
There are       people in the supermarket. It’s so crowded.
#51561
A
hundred
B
hundreds
C
hundreds of
D
hundred of