When you cross the street, you can never be _______ careful.

—Is there anything I can do for you?—There seems to have been a technical problem—______，that’s what they told me．

The central government plans to build a Taiwan community managed _____by Taiwan people --- and it will also include the right to set their own policies on education, healthcare, social insurance and employment - in order to help them really feel at home. 

. ---You don’t seem to be quite yourself today. What’s wrong? --- Oh, I'm suffering from a cold. Nothing serious, ____.

The hurricane did damage to many houses and business buildings.     ,it caused 20 deaths.