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选择正确答案：
The bag is . He can't it.
A. heavy; lifts B. light; lift C. heavy; lift
听录音
A. heavy B. clean C. dirty
下列单词划线部分读音与其它不同的一项是
A. country B. shout C. ground
Jenny is _____.
A. looking B. writing C. talking
选择正确答案
A baby learns to ______ when he is about one year old.
A. walking B. walk C. walks
