een, for _____ life had been very hard, donatedhis possessions to earthquake-hit families in Sichuan.

ook has helped me greatly in my daily communication, especially at work ________ a goodimpression is a must.

24. —Is there any flight to New York?— I think there ______ be, for it is snowing so heavily.

My mother often ____ to me, “She can ____ English.”

doctors are fighting against H7N9 in China.