Students are supposed _______ school uniforms on school days.
A. wear B. to wear C. wearing
—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
