______ your article carefully, some mistakes can be avoided. A. Check B. If you check C. Checking
---Do you know girl over there?---Yes. She is exchange student from America.
单词辨音
--It’s so hot here. Do you mind ____________ the window?---____________. I will do it right now.
My computer broke down, but I am not clear ___________________.
--- What do you think of what I said?--- Sorry. I _____ about something else.