1. Take these (book) please.
o book
o books
o bookes
o bookz
2. This (song) is wonderful.
o songs
o songes
o song
o songz
3. Moscow and London are big (city).
o city
o citis
o citys
o cities
4. Theyaregood (boy).
o boy
o boyz
o boies
o boys
5. Did you buy (tomato) yesterday?
o tomatos
o tomats
o tomatoes
o tomatoz
6. These (knife) are very sharp.
o knives
o knifes
o knife
o knifies
7. The (roof) of these houses are unsafe.
o rooves
o roofes
o roofs
o roof
8. Three (man) of our group are football players.
o man
o mans
o men
o mens
9. Our winter (vacation) lasts two (week).
o vacation, weeks
o vacations, weeks
o vacation, week
o vacations, week
10. The height of this plant is four (inch).
o inch
o inchs
o inches
o inchez

1. Books2. Song3. Cities 4. Boys5. Tomatoes 6. Knives 7. Roofs 8. Men9. Vacation, weeks10. Inches