—How old is Tom?—He is ____.
#51380
A
fourteen years
B
fourteen year old
C
fourteen old
D
fourteen
推荐题目
They have stayed in Beijing for ________________.
#51576
A
one and half an hour
B
one and a half
C
one year and a half
D
one and a half hour
There was a football match last night. ______ people went to watch it.
#51658
A
Thousand
B
Three thousands
C
Thousands of
D
Thousand of
In our city, ________ college students want to work in West China in the future. 
#51541
A
million
B
millions of
C
million of
D
three millions of
It’s        educational book. I want to read it      second time.
#51443
A
a quite, a
B
a very, the
C
quite an, a
D
quite an, the