-I hear Tom is working hard at his lessons. .-I'm ______ he will pass the exams this time.
                    举一反三
- — Tom is working hard recent days. He ______pass his exam this time. — Yes, I think so. A: has to B: need C: may
 - Li Ping works hard at his lessons, he didn’t pass the exams last time, ______. A: though B: yet C: howeve D: although
 -  I’m working too ____ this year. I ____ had time to play. (hardly, hard)
 - —Is Tom coming by train? — He _____ drive his car, I’m not sure.
 - Mary________ Tom with his lessons this time yesterday.
 
