Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?
—When ________ the telephone ________? —In 1876. A. is; invented B. did; invented C. was; invented
This dictionary______ Ellen’s. Look, her name is on it. A. must be B. can’t be C. might be
The hall is ______ to hold one hundred people. A. enough big B. big enough C. as big
I eat five meals a day. I have _____ 5 pounds. A. put on B. put up C. put in
Our classroom must______every day. A. clean B. be cleaned C. is cleaned