Ⅰ、1、C 2、E 3、G 4、D
     5、A 6、F 7、B
    Ⅱ、1、B, in a forest
     2、A, more than 90
     3、D, feed the monkey
     4、C, on the street
    Ⅲ、in, killed, at, hers, spent, also, carefully, must
    Ⅳ、One possible version：
     In my opinion, Miss Lee can't be late for school because I saw her at school this morning.
     I think she must have forgotten the lesson. And she might be talking with the headmaster
     now or she could be on the way to the classroom.