Give the correct form of the verb or the word in brackets

Part 3: Give the correct form of the verb or the word in brackets. (2,0 ms)
1. My father (play)__________ tennis ith his friend on Sundays.
2. Fashion designers (print)__________ lines of poetry on the ao dai, haven't they?
3. Traffic rules should (obey)__________ strictly by road users.
4. Would you like (donate)__________ old books and toys to needy children?
5. Most students enjoy going (picnic)__________ when they have one Saturday off.
6. In Russia, (beauty)__________ painted and decorated eggs are offered as gifts.
7. When cycling on the roads, remember: (safe)__________ first.
8. In order to keep our environment (pollute)__________, we shouldn't drop litter in public places.