Paul , please take this CD to ______ English teacher . —OK .

Must I answer it in English?—No, you _______. You can use Chinese.

Hello, Sandy. This is Jack. What are you doing?— I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

How many times have you _________ to that place? — Twice.

Laura __________ in the office for 4 hours. Tell her to have a rest, please.