Tom is in China.（变成一般疑问句,并作肯定回答.）Mary's pen is yellow.（变否定句）

Tom is in China.（变成一般疑问句,并作肯定回答.）Mary's pen is yellow.（变否定句） It is a pen.改为否定句,并作肯定回答.改为一般疑问句,并作否定回答 Kangkang is from China.改为否定句,并作肯定回答.改为一般疑问句,并作否定回答 四、将下列句子变为一般疑问句,并作肯定、否定回答.4、The pen is in the pen My pen is yellow.变一般疑问句,并做否定回答 She's ever been to China (改为否定句 一般疑问句,并作肯定,否定回答） Tom's birthday is in July改为一般疑问句,并作肯定回答 I have a pen.He has a pen.变否定句和一般疑问句 并作肯定和否定回答 句型转换 This is my pen.（改为否定句）Tom is Sue's brother.(改为一般疑问句,并作肯 变成否定句,一般疑问句,并作肯定和否定句.（1）there is a bike under the tree. 句型转换1.He is Tom.（变为否定句,疑问句）2.That's a computer.（变为疑问句,并作肯定回答 that is his pen变一般疑问句并否定回答