根据所给汉语注释或题干信患，在答题卷上标有题号的横线上，写出空缺处各单词的正确形式。每空只限一词。
小题1:He was wearing a very (严肃的)expression and I knew something was wrong.
小题2:Everybody should (积极)join in this charity to raise money for the poor.
小题3:It is my father's （四十）birthday this weekend.
小题4:Nowadays the people's living conditions in the countryside have （改善）a lot.
小题5:I felt the (温暖)of my mother's arms around me.
小题6:My cousin was busy （回复）to his pen friend when I came to visit him.
小题7:Three plus three （等于）six
小题8:Every time you answer a question ,you will get a point.
小题9:-Smoking does to health. Please give it up, Dad!
-OK, I will. I cough a lot recently.
小题10:- Do you know how much the ring is ？
-I have no idea, but I think you can afford it.
