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学校买来5个篮球和6个足球,篮球每个32.4元,足球每个23.5元,学校一共花了多少钱?
1年前
No one knows ______effects the GM material might have on the food chain.
1年前
Telecommuting(远程办公) will have major effects on the worlds of work and family life.
1年前
He was a single father, raising a 5-year-old boy by himself.
1年前
超市上午9:00开门,小亮8:35就到了,她还要再等________分钟.
1年前