新概念英语第二册70课练习答案

1 of
2 in/at
3 in/for
4 to/about
5 with/on
6 at/with
7to/for
8 in
9 to/to
10 of
11 on
12 for
13 from
14 at/of
15 on...about/of
16 for/with
17 at
18 of
19 to/to
20 with
21 to
22 of
23 of
24 to
25 for