1-D
2-A
3-A
4-A
5-D
6-D
7-A
8-B
9-D
10-A
11-D
12-D
13-D
14-D
15-D
16-B
17-B
18-A
1) are caused
2) children
3) don`t talk
4) don`t talk
5) least
6) to be
7) typical
8) these
9) to dress
10) upsets
11) more
12) more
13) ages
14) overcrowded