---Mum, may I go out to play football this afternoon? ---You can if your homework      .

--- It’s difficult for the village children to cross the river for school. --- I think a bridge ________ over the river. 

—How beautiful the song You and Me _________! Who _______ it ________ by?—Liu Huan and Sarah Bringtrnan.

The children without parents ______ good care of by their teachers in this special school.

— It’s difficult for the village children to cross the river for school.— I hear a new bridge _______ over the river in a year.