句型转换

1.He will be away for long next year. (改为否定句)

He ________ be away for long next year.

2.This is my box. (改为复数形式) ________are our ________.

3. The Yellow river is 5,464 kilometres long. (对画线部分提问)

            is the Yellow River?

4.Did they have a good journey home, Do you know (合并为带宾语从句的复合句)

Do you know ________they ________a good journey home?

5. It took me fifteen minutes to finish the e-mail(电子邮件).( 改为同义句)

________ spent ________quarter in ________the e-mail.