— Can you play the guitar?       — _________________. 

These days some young people just ________ work hard because they have got used to the easy life provided by their parents.

—Where did you get The Frog written by Mo Yan?—I picked it up from a bookshop online if you ________ know.

— Can I pay the bill by check? — Sorry, sir. But it's the management rules of our hotel that payment ______be made in cash.

Go and do it right now, and you _____ have my help when in trouble.