He behaved           nothing had happened.

A: ______did the teacher give you much advice?
B: How to study English.

______ you’ve got a chance, you might as well make full use of it.

We will do it ourselves ________asking others to help.

– Why didn’t you tell him about the meeting?
– He rushed out of the room _____ I could say a word.

Work hard at your lessons, ______ you’ll fail the exams again.

--- Daddy, I don’t want to go to Jimmy’s birthday.
--- You had better go. ____ you make a promise, you have to keep it.

  The entire hall burst into a great cheer and applause _______ the Nobel Prize winner appeared on the stage accompanied by the chairman.

      we completely differ from each other in character，we are still great friends .

---Why is he unhappy?
---He has a case_______he is being accused of stealing.