---Who is the tallest boy? ---It ______ be John. John is of medium height.
---I eat _____ vegetables and ______ meat than I did last year. ----That's why you're getting fatter.
The accident happened ______ a freezing winter morning.
----The pen writes well though it doesn't cost much. ---- Let me have a try. So _____.
---Does the child need any help? ----No. He is old enough to _____ himself.
---The artist has got _____ much work to do that he hardly has time to help his wife with the housework. ---That's true. Even on Sundays he is busy with his work.