With more and more people__________ the importance of English, English training has become a profit-making industry.

The subway was crowded with passengers going home from market, most of ________ carrying heavy bags and baskets full of fruit and vegetables they had bought there.

With the sun _______, we felt comfortable walking outside.

In the reading room, we found her 　　　 at a desk, with her attention _____ 　　　 on a book. 

Years later, he returned home, unexpectedly the old tree of his childhood__________.