The poor man had a very unhappy ______(童年).
They have found the————（解决办法） to the traffic problem.
There are four underground lines in Beijing, and several lines are under _______(建设)
You can’t pass the entrance without a p_____
－When could you have a meal with me?
－I’d like to go wherever it is c_______ to you.
He gets some money from the government every year because of his ____ (伤残) in a fire accident.