His family music lovers.　　

The path to dreams may not be smooth and even at great cost, but ______ on to them.

he old man ______ to walk back to his house, thesun ______ itself behind the mountain.

155. In Beijing volunteers are making use of every minute to ______ their foreign languages because volunteers must pass a written test and an interview.

It’s kind _______ Simon to give us _______ advice.