初中英语报纸：Those boys are my friends改成否定句 Those boys_____ ____ my friends

题目

初中英语报纸：Those boys are my friends改成否定句 Those boys_____ ____ my friends
The pen is in the pencil case?改为一般疑问句并做肯定回答
—_____ the pen in the pencil case?
—Yes,______ _________
Dave doesn't have a soccer ball改为肯定句
Dave_____a soccer ball
They like pears改为一般疑问句并做肯定回答
—_______they__________pears
—No,_____ _____

答案

aren't
is
it is
have
do like
they don't