Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.
I usually take something to read when I travel by train _____I feel bored.
Out _____, with an apple in his hand.
Not until he met with the difficulty _______ the importance of group work.
The thief must have hidden somewhere in the _______ area.
I do not want to accuse him _____ telling lies.