Candy and Mike are in the zoo（动物园）. There are many animals（动物）in the zoo. There are four birds in the sky（空中）. They are brown. There are two ducks on the lake（湖）. They are white. There are many fish too. They can swim, but they can't walk. Candy can sing. She sings in the zoo. Mike can draw. But he can't sing. They are very happy in the zoo.
1．—How many ducks are there on the lake? ( )
—There are ___________.
2．—What color are the birds? ( )
—They are ___________. ( )
3．___________ can swim, but they can't walk. ( )
| A．The fish | B．The ducks | C．The birds |
4．—What can Mike do? ( )
—He can ___________.
( )
（
____________
____________
____________
____________ 
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