Researchers in Italy say    drinking may lengthen your life, while too much may shorten it. 

It’s______to borrow money from your mother to pay back your debt. That’s just robbing Peter to pay Paul.

Early experiences taught me not to be overly _      about shopping by mobile phone because there is a high risk of being cheated．

So many thousands of ___________people died.

. How cold it is! We’ve never had ______ this winter.