培生启明星分级阅读 · 培生启明星L1
Big, Bigger, Biggest
Big, Bigger, Biggest
I can blow up a balloon.
My balloon is big.
Jo can blow up a balloon.
Which balloon is bigger?
Dad can blow up a balloon. Which is the biggest?
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培生启明星分级阅读 · 培生启明星L1
Big, Bigger, Biggest
I can blow up a balloon.
My balloon is big.
Jo can blow up a balloon.
Which balloon is bigger?
Dad can blow up a balloon. Which is the biggest?