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r pens. We are teachers. They are boy students. They are some women workers. They like their bikes. 將下列復(fù)數(shù)句變?yōu)閱螖?shù)句 are these? like their bikes. are my books. are (some) books. those (any) pens? are girls. like them. are (some) books. those (any)pens? like my bikes. What is this? She likes her bike. This is my book. This is a book. Is that a pen? She is a girl. I like it/her/him. This is a book. Is that a pen? He likes my bike. Thank you!