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

 In the reading room, we found her seated at a desk, her attention ____ on a novel.

______________________, he had to walk home at midnight.

After the Arab States won independence, great emphasis was laid on expanding education, with girls as well as boys _____ to go to school.

_________ the problem of land erosion getting more serious, the government is searching for a way to deal with it.