—I think I’ve got a bad cold, Doctor, Shall I take some medicine?—No need. Your body itself is able to            the virus. Just drink more water and rest.

—____ I swim here?—I’m sorry. Children ____ swim alone here..

—We want someone to design the new art museum for us.—______ the young fellow have a try?

It             be the vocabulary that caused you the problem in the exercise because you know a lot of words.

 ---The book _____ be Tom’s.---No, it _____ be his. There’s a name on the book. It’s Jim’s.