按情景选择恰当的选项。1. 朋友在球场看到一双拖鞋，你说：“是我的拖鞋。”，可以说：

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A. They are my slippers.
B. It is my slippers.2. 妈妈给你买给一套睡衣，你觉得这套睡衣太小了，可以说：

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A. These pyjamas are too big!
B. These pyjamas are too small!3. 哥哥送给你一双新拖鞋，你穿上觉得刚刚好，可以说：

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A. These new slippers are just right!
B. These new boots are just right!4. 你到表妹家做客，看到衣橱里挂着一套漂亮的睡衣裤，你想知道这是谁的，可以问：

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A. Whose pyjamas are these?
B. Whose pyjamas is this?1. A 2. B 3. A 4. A