_________ trees have been planted these years.
#51783
A
Million
B
Millions
C
Million of
D
Millions of
Many scientists say that it’s important for us to have ______ food in our diet.
#51785
A
a variety of
B
a great deal
C
a large number of
D
a good many
Mary is the _________ child of her parents.
#51788
A
two
B
second
C
2th
D
second one
      dollars is a lot of money for me.
#51789
A
Six hundred
B
Six hundreds
C
Six hundreds of
D
Hundred of
The Sutong Highway Bridge, a__________ bridge, is open to traffic.
#51790
A
320 metre long
B
320-metre-long
C
320 metres long
D
320-metres-long
There’re__________ students in our grade.
#51791
A
hundreds of
B
three hundreds of
C
three hundreds
D
three hundreds’
______  adults began to learn English in this small town.
#51792
A
Thousand of
B
Thousands of
C
Thousand from
D
Thousands from
This machine was used -------years ago.
#51793
A
five hundred
B
five hundreds
C
five hundreds of
D
five hundred of
Please pass me two---------.
#51794
A
pieces of paper
B
pieces of papers
C
pieces paper
D
piece papers
一How long does it take you to get to school?一_________
#51795
A
Five kilometers
B
Every day
C
By bike
D
Around an hour
--Which T-shirt do you want to buy?-- The ________ one
#51796
A
threeth
B
third
C
three
D
thirty
In our city, ________ college students want to work as a teacher in holidays.
#51797
A
thousand
B
thousands of
C
thousand of
D
two thousand of
_________ should not be allowed to go out at night.
#51798
A
Twelve-years-old
B
Twelve-year-olds
C
Twelve year old
D
Twelve year olds
May I ask you __________questions? 
#51799
A
any
B
some
C
much
D
little
About _________ people are in the People’s Park at the weekends.
#51800
A
two hundreds
B
two hundreds of
C
two hundred
D
hundred of
There used to be _________ near the river.
#51801
A
two shoe factory
B
two shoe factories
C
two shoes factory
D
two shoes factories
220,309 should be read____________.
#51802
A
two thousand and twenty thousands,three hundred and nine
B
two hundred and twenty thousand and three hundred and nine
C
two hundred and twenty thousands and three hundred and nine
D
two hundred and twenty thousand,three hundred and nine
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