—Do you know ________Guangzhou with his family?— Next week.
You get wet all over. It must be raining ________ outside.
—Dinner is ready. Help yourself, please!—Wow! It ________ delicious. You are really good at cooking.
As a student, we should keep our classroom ________.
Some children prefer to eat junk food ________ it’s not good for their health.
—Oh, it’s too difficult for me ________ the work in such a short time.—Anything is possible if you put your heart into it.