A. Seconds count in an emergency.

B. 　　   is　　   in an emergency is time.

A. I didn’t know more about giving first aid, so I couldn’t help them.

B. If I 　　     　　   more about giving first aid,

I 　　     　　     　　   them.

If a person has drunk poison　　   mistake, you ought to take the person and the poison container　　   a hospital　　　　 once.

There is a large lake lying　　   the mountains covered　　   green trees, still and beautiful.

She has spent large amount_______ money　　   traveling all　　   the world.

The medicine is poisonous. Keep it　　     　　   the reach　　   children.

Three fourths　　   the trees planted on the hill are young. We must take good care

　　   them.

The boy ran　　   a big tree and knocked his front tooth　　   .

Mary can’t come 　　　　the lecture; she has been throwing　　   all morning.

He ought not to live　　    begging　　   door　　    door