這道題的正確答案是：
These are pens and those are knives.
這些是鋼筆,那些是刀子.
This is a pen and that is a knife改為復數(shù)形式
This is a pen and that is a knife改為復數(shù)形式
英語人氣：632 ℃時間：2019-09-22 07:56:02
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