【题目】For your own s_________(安全), please do not smoke inside the plane.

【题目】Don’t worry about the children. They’re old enough to take good care of t__________ (他们自己).

【题目】She had n________( 从不 ) for one moment imagined that it could happen to her.

【题目】Young students must be taught how to deal with dangerous s________ (情况).

【题目】The chair that you broke yesterday is now being r________ (修理).

【题目】—Which one of the books do you want?

【题目】—Can we get good grades in the exam?

【题目】Amy is so lazy that you can’t ________ her to wash the dishes.

【题目】He wouldn't give up smoking ______ his doctor told him it was a matter of life and death.

【题目】Allen often teaches ________ math, sometimes, he asks his friend for help.