问题描述：
英语,根据句子的意思和首字母填完整单词
1.It’s going to rain,you’d better take an u_______________.
2.There is a b____________ selling all kinds of books near our school.
3.You can’t leave your baby son a________ in the house.
1.It’s going to rain,you’d better take an u_______________.
2.There is a b____________ selling all kinds of books near our school.
3.You can’t leave your baby son a________ in the house.
问题解答：
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