سلام
3. b
4. a
6.1 b
6.2 a
6.3 d
6.4 c
7.1 You must be careful with this knife.
7.2 You should always watch the ball when you play tennis.
8.1 patiently
8.2 speak
8.3 well
8.4 in
8.5 of
8.6 come
9.1 speak / hear
9.2 early
9.3 politely
9.4 help
9.5 badly
