一、单句语法填空
1.My mother never gave in to the difficulties which she was faced when she brought me up.
答案:with
2.It was just at this moment that the boss found himself a dilemma.
答案:in
3.Wasting food is not only a(n) (moral) behaviour,but also pollutes the environment.
答案:immoral
4.Suddenly I heard some old men (faint) talking in the living room.
答案:faintly
5.I appreciate your (generous) in this matter very much.
答案:generosity
