I am busy now. _________ my brother do it for you?
In English class, our teacher often creates an environment __________ we are given the opportunity to solve problems ourselves.
— It’s hard to believe that Jack ________ have fought with the policeman.— Yes. If one ________ ask for trouble, it can’t be helped.
I listened carefully to his long boring speech, but could not ________ what he was talking about.
--- Wow, that’s so expensive. Shall I make a (n) _________?--- I’m sorry, sir. The price is fixed.
----- I had a really good weekend in the countryside. ----- ___________________________.