Do you know________ the newcomputeryesterday– Sorry, I have no idea.

If you want to________in the world, you must learn to work hard while you are still young. [ ]

I won’t go to Linda’s party unless _______.

Could I have a word with you?—- Sorry, I am busy ______Shall we do it later?

In face of the challenge for the moment, it’s most important to ______ a good state of health.