Let me have a look at your baby, ___?
—Will you please answer the door? It ________ be your sister.—Sorry, I ________. I’m feeding the rabbit.
—Jim, is physics difficult to learn in high school? —Sure. No subject can be learned well ________ hard work.
—Wow! I’m full. The bread is delicious! —That’s right! It will be ________ with better. Try next time!
—Mr. Smith, would you please speak a little more ________?—Sorry! I thought you could follow me.
—Our school is going to hold the ________ Culture Festival. —Yes! And we can take part in ________ activities.