ill you make the trip to the Sahara Desert — a camel, of course. It sounds exciting.

If a person has not had enough sleep,his actions will give him ___ during the day.[ ]

The total population of China _______ about 1300 million on January 6, 2005. And about eighty percent _______ still farmers. [ ]

People believe thatmutual understanding _______ a happy marriage.

This company is going to ________some 160 employees because of the drop in sales.