He _____ his homework on Sundays.
---I can’t understand many new words.---You should in a dictionary.
----Don’t eat too much. You’re too fat.----Yes. I have ______ 7 pounds now.
______ cold day! I must put on more clothes.
---Your sweater looks very nice. What was it made_____?---Silk, and it was made ______ Wuhan.
---Could you tell me where _______ the post office?--- ________? I didn’t hear it clearly.