语法词汇练习 语法大全 语法详解 英语听力 
          volunteers are working for 2014 International Horticulture Exposition in Qingdao.
#51010
A
Thousands of
B
Two thousands
C
Thousand
D
Two thousands of
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 -A ruler is 2 dollars and a pen is 5 dollars. How much are they? -They are               
#51155
A
$22
B
$3
C
$7
D
$5
–How often do you wash your hair? 
#51813
A
One day
B
Twice
C
Twice a week
D
Two times a day
The earth is       years old.
#51891
A
four thousands six hundreds
B
four thousand six hundred
C
four thousand and six hundred million
D
four thousand six hundred millions
July 1,2011 is our Party’s            birthday. It was founded on July 1, 1921.
#51837
A
ninety
B
ninetieth
C
nineteenth
D
ninth
People usually think lions are _____ scary.
#51742
A
kinds of
B
kind
C
a kind of
D
kind of