Question

2. Образуйте множественное число существительных
A mouse, a box, a roof, a foot, a dress, a city, a month, a mountain, a knife, a country.

3. Вставьте в предложения слова somebody, anybody, nobody, everybody
1. The question is so difficult that … can answer it.
2. … left his bag in our classroom yesterday.
3. Has … in this group got a dictionary?
4. … knows that plants like water.
5. Is there … who knows English?

Answer 1

2) mouse - mice
    box - boxes
    roof - roof
    foot - feet
    dress - dresses
    city - cities 
    month - months
    mountain - mountains
    knife - knifes
    country - countries

3) 1. nobody
    2. somebody
    3. anybody
    4. everybody
    5. somebody