The best job is_______which uses your skill in doing something together with your interest in the subject. 

---Hi, Jake, long time no see. How is _____ going? ---Not bad. 

 --- How many of you have solved the math problem?--- ________, the math problem is far too difficult for us to work out. .

–What do you think of the lecture?--____but interesting, but I’ve managed to survive it.

________ is exciting news that she has received a doctor’s degree.