问题描述：
英语【选择恰当的介词填空】
to for at under of about in
It's 12 o'clock.It's time______lunch.
They sat down______a big tree and had a chat just now.
They want to buy a book______animals.
Yang Ling is showing a map______the town______her friends.
You can take a bus and get off______the third stop.
急
to for at under of about in
It's 12 o'clock.It's time______lunch.
They sat down______a big tree and had a chat just now.
They want to buy a book______animals.
Yang Ling is showing a map______the town______her friends.
You can take a bus and get off______the third stop.
急
问题解答：
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