几道英语选择题,要给我讲为什么

The student is ______seeing the teacher because he ___a mistake.
A.afraid of:has B.afraid of:has made C.afraid to:make D.afraid of :made
选择D.
be afraid of doing固定搭配,担心某事.意思上来说是他过去犯了错误,选择过去式.
-----I don~t now if she _____.
-----She will go to see a filmif it _____
A.come:to rain B.comes:doesn~t rain C.will come:desn~t rain D.comes:aren~t raining(这道题的第一个if是不是是否的意思,不用主将从现）
C.if是表示是否她回来,用将来时态,意思上如果不下雨,她会看电影去.选C.
We started with soup,and fruit to_____.
A.end up B.end C.end up with D.ending up with
选C.end up with= finish with .必须用with .
-----Where have you__these days?
-----I have ______to Dalian with my friends.
A.been ,gone B.been,been C.gone,been D.gone,gone
选B.gone表示现在不在,不能用 I have gone to somewhere.因为当事人都在现场.