We learned ________ from the reference books.A．a lot B．many C．a lot of
These are. A. tigersB. tigerC.duck
This is. A.beijingB. yunnanC Shanghai
These ducksvery naughty! A. isB .areC was
Let’sthe flowers. A. to waterB. waterC. watering
Whathis? A.isB wasC are
.
.
very naughty!
the flowers.
his?
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