单项选择题
—Was the house master strict—Yes, he requested that we () television on week nights..
A. not watch B. must not to match C. not be watching D. have not watched
单项选择题 As the teacher has announced, () will be open thmorrow.
单项选择题 Anyone who wants to can call any timepiece a clock, but technically speaking, only () one rings out the time actually deserves the name.