Many children go to school at the of seven.
Please check your spelling carefully. You've dropped_______ "u" here.
— How was your interview with the boss?— ________.
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?
You had better ________ some time every day for sports so that you can keep yourself energetic.
The radio says that a terrible traffic accident happened sometime ________ 8 a.m. ________ 10 a.m. this morning.