—Is Mary ? —No, she is a girl.
#51392
A
twelve years old; fourteen years old.
B
twelve years old; fourteen -year -old.
C
twelve - year - old; fourteen years old.
D
twelve - year - old; fourteen - year -old.
推荐题目
The boy has poor eyesight because of _______ computer games.
#51483
A
much too
B
too much
C
many too
D
too many
16-year-old students in England should understand fifteen _______ words.
#51588
A
thousand
B
thousands
C
thousand of
D
thousands of
—What’s this? —It’s a machine which was invented in __________century in China.
#51455
A
six
B
sixth
C
the six
D
the sixth
---How old is your mother? ---She is ______years old. Today is her ______birthday.
#51162
A
fourteen;fortieth
B
fourty; forty
C
forty;fortieth
D
fortieth;forty
It may take _________ years to make such robots .
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
