Look! The boys ___ happily in the river.
A. swim
B. swam
C. are swimming
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There are ___ on the hill.
A. some sheep
B. a little sheep
C. little sheep
There is ___ “s” and ___ “u” in the word “use”.
A. a/a
B. a/an
C. an/an
___ Earth runs around ___ Sun.
A/the
B. An/the
C. The/the
— What is your mother doing?— She is ___ for the bus.
A. waiting
B. waits
C. wait
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