—How old ____Li Ping and Lucy ? — Sixteen _____old.
I saw a dog _____ on the side of the road when I passed by.
To _____ surprise, no one volunteered for the position of monitor.
--- To tell ____ truth, Jane! Why didn’t you go to school yesterday? --- Sorry, Mrs White. I had _____ fever and stayed at home.
The Monkey King can make 72 changes. He can _____ himself into different animals and objects.
Dale, please remind me _____ the windows after school.