It was a difficult time, but we never ________ hope.
When we got to the hospital, Mary _______ there. A. left B. has leftC. had left
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