II,
1, D
2, D
3, A
4, A
5, B
III,
1, You shouldn't eat so many sweet things.
2, You should stay at home.
3, You should set the alarm clock.
4, You should ask your teacher to explain it again.
5, You shouldn't drink so much coffee.
IV,
1, C
2, A
3, D
4, B
5, B
6, B
7, A
8, A
9, D
10, C
11, D
12, D
13, A
IV,
1, convenience
2, crowded
3, excillent
4, momorise
5, peaceful