当你想说在远处有一只猫，你可以说：A.This is a cat. B. That is a cat.
Can youslow? A.runningB.runC.to run
I’mwinner. A. aB. anC.the
--can you see? --- I can see a duck. A. WhereB.WhatC.When
I can see a, It can fly. A. birdB. tigerC.flower
Let’s. A. seeingB. to seeC. see
slow?
winner.
can you see?
, It can fly.
.
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