— Both David and his sister left school when they were only 11.— No wonder of them is poor –educated.
Hey, boys and girls! Stop ____. I have something interesting to tell you.
Look! David is helping his mother _______ the room.
—Lily, here are your pens. Please _____. —OK, Mom.
—Bruce,how many students are there in your school? —Mmm, about.
—Do you plan your homework at home? —Yes, of course.