—No. All students are having a P. E. class on the playground.
—Never give up. You'll surely make it.
—No. Mike is late.
—Oh, she is my sister, Kate. She is ________ honest girl.
—_____ name is Yang Hao.
my sister Kate.
—Nothing.
—If you keep still(不动的), you can sit at ________ end.
— Let's do it _________.
—We can do _______ together.
—Why ___________? I am not available. You can ask David to do ___________instead.