put on，due to，communicate with，be effective in，even if，help …out，in case of，have a sense of achievement，establish one's own company，by accident

（1）Mr Green is a warm-hearted man，and he is always willing to

help

help

others

out

out

whenever he is needed.
（2）This exercise seems simple.However，it

is effective in

is effective in

helping you break away from those bad feelings.
（3）You will

have a sense of achievement

have a sense of achievement

if you can make it to the end of the long story.
（4）Yesterday afternoon，when I was shopping in a supermarket，I met an old friend

by accident

by accident

.
（5）

Due to

Due to

the heavy fog on that day，all the flights of the airline had to be put off until the fog cleared.
（6）This programme can help you recover documents

in case of

in case of

a power failure or system crash.
（7）I knew I needed to apologise to Henry，

even if

even if

he also did something that hurt my feelings.
（8）The new play will be

put on

put on

in some major cities next month，so we will have the chance to enjoy it.
（9）My smart phone makes it possible for me to

communicate with

communicate with

others wherever I go.
（10）My elder brother has been working hard in the hope of earning money to

establish his own company

establish his own company

one day.