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Peter really loves music and he wants to be a ______ in the future.
1年前
有甲乙两个实心正方形铁块,边长之比为 1:2,则甲乙两铁块的密度之比为_____,质量之比为______.
1年前
We’ve offered her the job, but I don’t know______ she’ll accept it.
1年前
Don’t keep water running when you wash hands.
1年前
Weekends are important for us. We can relax ourselves.
1年前