改写句子（共5小题；每小题2分，满分10分）
根据括号内的要求改写句子，每空一词。将答案写在相应的横线上。Is this your pencil? （改为复数）
_______ _______your pencils?The hat is on the sofa. （对划线部分提问）
_______ _______the hat?My brother has a basketball. （改为一般疑问句）
_______ your brother _______ a basketball?Lots of boys like eating apples. （改为否定句）
Lots of boys _______ _______ eating apples.This computer is 400 dollars. （对划线部分提问）
_______ _______ is this computer?
My friend asked me，" When will you go to Hainan for your holiday？"（改为间接引语）
My friend asked me I go to Hainan for my holiday．
These flowers are very sweet．（改为感叹句）
flowers they are!
These apple trees were planted by the students in Class 1．（改为一般疑问句）
these apple trees by the students in Class 1？
The girls don't know what they can do next．（改为简单句）
The girls don't know what next．
There are three thousand students in the school．（改为同义句）
The of the students in the school three thousand．