Dinner is ready. Help yourself! —Wow! It ________ delicious. Could you please tell me how to cook it?

Don’t forget _____ the door when you leave.

John knows so much about the alien.— Yes, you know he is only_______ eight-year-old boy.

There is ___ food in the fridge(冰箱). Let’s buy some.

Mary bought a house ______ a small garden. She will move in next week.[ ]