用英语解释下列句子.急2011年11月21日19:53:29
用英语解释下列句子.急2011年11月21日19:53:29
1.The twins hope that they can visit our factory one day.
2.They didn't know when they would start.
3.I don't understand what you said.
4.I don't know how I can operate the machine.
5.He isn't a hardworking boy.We think.
用你所学的英文来解释上述句子。别在用中文了。
2011年11月21日20:05:11