is.this.ball.yellow?改为肯定句
is.this.ball.yellow?改为肯定句
is.this.a .yellow .ball?改为肯定句
改为同义句 Is this your ball?
Is this your dictionary?改为肯定句
this is sandy s ball改为疑问句和否定句
This is a white ball.(改为同义句)
is this you soccer ball?改为同义句
Is this your soccer ball改为同义句
is this school big and beautiful改为肯定句
This is not my pen.(改为肯定句)
Is this book in your schoolbag?(改为肯定句)
1.Is this pencil-box mine?(改为肯定句)