__________ trees are yellow in autumn.               
#51910
A
The number
B
A number
C
A number of
D
The number of
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Shanghai is  ______ years old.
#51757
A
seven hundred
B
seven hundreds
C
seven hundreds of
D
seven hundred of
 ______ month of the year is May.
#50994
A
Two
B
The second
C
Five
D
The fifth
—What’s the English for 8:10?—It’s ______. 
#51318
A
eight ten
B
ten eight
C
ten to eight
D
eight past ten
—How many birds can you see in the trees?—I can see            birds in the trees.
#51374
A
hundred of
B
five hundreds
C
hundreds of
D
five hundreds of