in response to stressed out shave off reply on be pessimistic about be composed of go on a diet as a reward for worn out get involved in

（1）His father said that he had offered his son 100 dollars

as a reward for

as a reward for

having achieved so much in his studies.
（2）We are sincerely to build a long-term business relationship with your company，hoping that you'll give me a

reply on

reply on

this matter.
（3）There is no reason to

be pessimistic about

be pessimistic about

our prospects；we are young enough to do everything，after all.
（4）Although a team may

be composed of

be composed of

knowledgeable members，they must learn to work together to solve some tough problems.
（5）What's really interesting was that the babies in animation made various facial expressions

in response to

in response to

real life events including playful interactions and painful ones.
（6）There was no escaping the fact that Peter was overweight.He could

shave off

shave off

as many as half the calories.
（7）When you're tired out or

stressed out

stressed out

，home is always a shelter for you to have a good rest.
（8）He had been working all night in office and

worn out

worn out

he lay down and fell asleep.
（9）The doctor suggested that Peter eat only fruits，

go on a diet

go on a diet

and work out.
（10）If you're in the mood，you can

get involved in

get involved in

fitness programs，which will refresh you and bring you in contact with new friends.