_________ trees have been planted these years.
#51783
A
Million
B
Millions
C
Million of
D
Millions of
推荐题目
 –How far is it from the railway station to the hotel?  --It’s about _______ walk.
#51899
A
ten minute’s
B
ten –minutes
C
ten minutes ’
D
ten minutes
Tibet has been a part of China since _________ years ago.
#51678
A
hundred
B
seven hundreds
C
hundreds of
D
seven hundred of
 About _____________ of the students this year were born in the 1990s.
#51004
A
three five
B
three fifths
C
third fifths
D
third fifth
We have to work for ________ to finish the work.
#51298
A
another two hours
B
more two hours
C
two another hours
D
other two hours
More than two _______years ago, people knew little about the universe.
#51657
A
thousands
B
thousand
C
thousands of
D
thousand of