– We’ll travel to different places in this summer vacation. Enjoy your trip! - ______.
—How do you like this book? —________.
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.