tend to，volunteer to，be fed up with，cheer up，in response to，due to，adapt to，be capable of，in case，make great contributions to

（1）Don't worry.You will

adapt to

adapt to

the new environment before long.
（2）I do hope she can

cheer up

cheer up

and accept the challenge of life bravely.
（3）I am writing

in response to

in response to

the letter you wrote to me yesterday.
（4）He has told me his story so many times that I

am fed up with

am fed up with

listening to it.
（5）The success in his career was partly

due to

due to

the support given by his family and most his personal efforts.
（6）It was considerate of Michael to inform us of his delay

in case

in case

we got worried.
（7）Over the past few decades，scientists

have made great contributions to

have made great contributions to

the space industry of our motherland.
（8）After the party，Jack

volunteered to

volunteered to

clean up the house for Helen，which made her pleased.
（9）When exposed to danger，men

tend to

tend to

increase blood pressure，feeling nervous or anxious.
（10）The human body

is capable of

is capable of

doing many things，such as jumping high and running fast.