People there now have no _____ to safe drinking water due to the Japanese Earthquake.

The country’s 　　　is based on trade.

In my opinion, what he told us just now about the affair simply doesn’t make any ________.

Jack is not very decisive, and he always finds himself in a ________ as if he doesn’t know what he really wants to do．

To come back before Sunday, I have made a few minor ________ to the schedule of my trip.