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The girl is only two years old. She is _______ to go to school.

A．old enough        B．young enough      C．too old           D．too young

Peter is ten years old. He is _______ to go to school.

A．old enough        B．enough old        C．young enough      D．enough young

Swimming is very popular. People like swimming in summer because water makes people feel cool. If you like swimming but swim in a wrong place, it may not be safe. These years, a lot of people die when they enjoy themselves in water, and most of them are students. Some people are not careful when they are swimming. They often think they swim so well that nothing will happen to them in water. Summer is here again. If you go swimming, don’t forget that better swimmers have died in water. They die because they are not careful, not because they cannot swim. So don’t get into the water when you are alone. Don’t get into the water if there is a “ No swimming” sign. If you remember these, swimming will be safe.

1.People like swimming in summer because _______. 

2.Swimming may not be safe if _______. 

3.These years many _______ die in the water when they swim happily.

4.Some swimmers die in water because ___________.

5.The writer wants to tell us that ______.

Mike is only 15 years old. He is not _____________ to get a driver’s license.

A．old enough   B．enough old   C．young enough D．enough young

He is ________ to make money to help his parents live a better life.

A．old enough        B．enough old        C．young enough      D．enough young