If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

All things________，the planned trip will have to be called off．

These natural resources will be______sooner or later if the present rate of exploitation continues.

______ it or not , his discovery has created a stir in scientific circles.

It is generally considered unwise to give a child___( )_____ he or she wants.

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

—Look at these tracks. It __________ be a wolf.
   —It needn't be. It __________ be a fox.( )

Scientists say it may be five or six years _____ this medicine is tested on human beings.

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

He will be sad when he _____ the bad news.

—Hurry up, or we’ll be late.—Take your time. it’s just ______ short distance from here to ______ cinema.

I think you should end it ______ it is too late, or you will be sorry for it.