The river is very long and it is about      . 
#51870
A
20 metres wide
B
15 metres long
C
30 metres high
D
50 metres tall
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My father will have a      holiday next month. He’ll take me to Qingdao. 
#51869
A
ten days
B
ten day’s
C
ten-days
D
ten days’
_________trees have been planted near, so the air is very fresh.
#51259
A
Hundreds of
B
Hundred of
C
Two hundreds
D
Hundreds
Shanghai is  ______ years old.
#51757
A
seven hundred
B
seven hundreds
C
seven hundreds of
D
seven hundred of
This is         trip to Beijing. I hope we’ll enjoy the trip.
#51252
A
our first
B
our the first
C
the our first
D
first our