Many old men prefer __________ in a peaceful countryside.

 —The most beautiful teacher Zhanglili ________ a mother to her students.—Yes, she is really a good teacher.

--- Thank you for _____ me with this heavy box.　　　 --- You are welcome.

— Wow , the opening of Sochi winter Olympics is fantastic ! — It’ s pity ! I _____ for the next monthly exam .

 —Do you know the boy _______ Simon? —Yes, he’s my brother’s good friend.