the abacus was invented in the sixth century in china 划线部分提问划线部分 in sixth century inChina

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• the abacus was invented （in the sixth century in china） 对括号部分提问
• the abacus was invented in the sixth century in china 划线部分提问划线部分 in sixth century inChina
• the abacus was invented in the sixth century in china 划线部分提问
• the abacus was invented （in the sixth century in china） 对括号部分提问
• The watch is 100 yuan（对划线部分提问） （ ）is the ( ) of the watch?划线部分为“100 yuan”要以（ ）is the ( ) of the watch?回答
• when there is a game,there is an end.