--The cases look very heavy. Let me help you. --_____ , I'm quite out of breath.A. No, thank you. B. It's very kind of you. C. No, I can manage it.
---Did Mr Smith tell you __________? ---Yes. He said that he went there in 2003.
If you don’t know a word, you may ______ in a dictionary.
--- ______ do you improve your listening skills? --- I improve it _______ listening to tapes.
_____the old lady is seventy years old ,_____is still lively.
___students will take part in the sports meeting and _____them is over three hundred.