—Who called just now, Sam?—It’s Mona. She asked _____.
-Who drew the picture?-Mary did. She can draw very well, _____she is only a ______girl.
The moon is_____ us in space.
There _____food and more people____100 years.
Tom wants to be_______ engineer when he _________up.
“Everybody is playing basketball outside. Can I join them, Dad? ”“_____________, you must finish your homework first. ”