—I have done well in the exam because of no careless mistakes.—Congratulations! Students can never be _______ careful in exams.
--- Shall I get one more cake fro you, David? --- Thanks, but you ______. I’ve had enough.
Thank you very much. Without your help we ______ car started.
--- Any news about the fire? --- Nearly 20 people ______ from the burning building by now.
--- May I visit you at 10 o’clock tomorrow morning? --- I’m afraid I ______ a document for my boss then. What about 12:00?
The meeting ______ next Thursday mainly aims to deal with the problems related to teenagers’ mental health.