If you _______that kind of fish, you ________very sick.

Mike is really a polite boy.— Yes. He ________ “Good morning” to me every day.

He was so _____when he heard the _______ news that he got the first prize in the contest.

My uncle’s house in the downtown area is much smaller than ours, but it is twice ______expensive.

His father is a professor and has been teaching in the university for more than twenty years. — _____.