His father looks young, but in fact he is ______.
#51836
A
in the forties
B
in his forties
C
in the forty
D
in his forty
推荐题目
There was a football match last night. ______ people went to watch it.
#51658
A
Thousand
B
Three thousands
C
Thousands of
D
Thousand of
---Wow! These inventions are amazing．—They were all invented _______years ago.
#51552
A
hundred
B
hundreds
C
hundred of
D
hundreds of
I think ____ of the materials I listened to at the beginning of the exam ____ easy.
#51604
A
three fourths; is
B
third four; are
C
three fourths; are
D
three fourth; are
Scientists think that there has been life on Earth for _______ years.
#51626
A
illions
B
millions of
C
illion of
D
illion