15. —When Lily fainted, we could have turned to your father for help. —Yes, sending her to hospital _________ necessary.
He was so abandoned __________ computer games __________ he fell behind others soon.
It is reported that she was seen running away from the __________ of the crime.
After a month of hard work, most of the people in the city go to enjoy the __________ of nature in the country to get relaxed.
I tried phoning her office, but I couldn't __________.
Jane is very popular because she is easy to __________.