I don’t know __________, but I guess he may be a doctor.A. how he is B. what he is C. what does he do
---Would you like something to drink? ---Yes, ______ , please.
--- Look! It’s raining heavily. ______ take a raincoat with you? --- Well, I’ll take one right now.
Last year he had an opportunity ______ abroad, but he gave it up.
---Whose book is this? ---It ______ be Linda’s. It has her name on it.
There are ______ flowers in the square during the National Day.