There are laws in some countries which forbid advertisements _______ at inappropriate times and places.[ ]

. With their son ______ a foreign collegenow, the parents have some financial problems now and then.

The central finance has handedout 6.3 billion Yuan to help local governments ease capital shortages ____ thesnow disaster.

He is talking so much about America as if he _____ there

One of the many _____ of my foreign travel is that I have learnt how to solve unexpected problems.