根据所给的首字母或中文提示写出正确的单词（必修4）
小题1:He was under o_____________（观察） by the police.
小题2:We have been told to show______________（尊敬）for our elders.
小题3:After a long ____________ (奋斗), he gained control of the business.
小题4:She r____________ her weight by 5 kilograms.
小题5:Could you e______________ the child for an hour, while I make dinner?
小题6:He had o____________ the difficulties with his English before he went aboard.
小题7:As you _____________ (接近) the school the first building you see is the teaching building.
小题8:Today many people are experiencing the joy of the a______________ park for the first time.
