He has enough courage to o__________ the difficulty.
Coal is the second major natural rfound in large quantities in the United States.
Don't you think it's too __________（冒险的）for you to sell everything and go travel abroad?
It's my pthat he will become an outstanding journalist.
She had no __________（选择）but to ask for a few days' leave.
I don’t think it is explained in a _________(科学的) way.
He was punished for_________(打扰) other when they were working.
We all depend on our parents for food, _________(衣物) and shelter.
The ancient buildings in this area are well_________(保护).
It was a(an) _________(巧合) that he was born on his mother’s birthday.
Do you think there is any_________(联系) between the two cases?
Is there any_________(possible) that we will get to the destination on time?
Judging from his_________(puzzle) expression, he doesn’t know the way to solve the problem.
The bridge has been under_________(construct) for about two years, but it is still unclear when it can be completed.
_________(assume) what the witness said is true, the case the police are looking into will be solved soon.