用所给词的适当形式填空 1.Tom is a boy and空（be）damily name is smith.2.this空(be not)my pen.My pen is black.

用所给词的适当形式填空 1.Tom is a boy and空（be）damily name is smith.2.this空(be not)my pen.My pen is black.
3.let‘s空（go）out for a walk,
4.her key is in lost and 空（find）box.
5.here空（be）some meat.
按要求改写句子
1.that is his crayon.(改为一半疑问句并作回答）
空that空crayon?
no,空 空
2.there are betty's bags.（改为单数形式）
this三个空
3.there are ,many books in the library（改为同义句）
there are三个空books in the library.
4.this is her bag.（对划线部分提问）her划线
空bag空this?
5.the sweater is betty's.（改为否定句）
the sweater空betty's.
请尽快帮我解决了,