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The ____ expression on his face suggested that he ____ understand what I said.
1年前
解方程组 2x+4y+3z=9 ① 3x−2y+5z=11 ②
1年前
上联:十年思念,天涯咫尺,兄弟好似摇钱树 下联:________,咫尺天涯,______________
1年前
You sent my sister a present. Thank you very much for it. (将句子连接为定语从句)
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I'm 1.5 metres tall. You are l.7 metres tall. You're ______, and I'm ______.
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