stand out，have a hard time，originate from，make a contribution to，hear of，take part in，in modern times，aim to，as always，find out

（1）I would like to

make a contribution to

make a contribution to

the motherland.
（2）I was very sad indeed to

hear of

hear of

your father's death.
（3）Do the idioms of Chinese all

originate from

originate from

stories？
（4）Students should

aim to

aim to

become more independent of their teachers.
（5）

In modern times

In modern times

，questioning has entered the classroom，and attracted more and more people's attention.
（6）If there has been any funny business，we'll soon

find out

find out

.
（7）

As always

As always

，Peter had a reason for his action.
（8）Six theatre companies have been selected to

take part in

take part in

this year's festival.
（9）She wants to make herself

stand out

stand out

.
（10）I guess I won't

have a hard time

have a hard time

finding a room.