Fill the gaps with the correct form of the nouns (singular or plural). People grow (tomato) in Kazakhstan. [1]

We had a lot of (flower) this summer. [1]

Those (man)
__ seem to be very tired. [1]​

1. i am reading an interesting book. i have been reading this book for two hours. i  have already read 30 pages.2. the boys are at the stadium. they have been playing football since morning. 3. sam has just done all his homework. now he can go out for a walk. 4. they are writing an english composition at the moment. they have been writing it all the morning. but they haven't finished it yet. 5. polly likes riding a horse. she has been riding for three hours. she never has ridden so long.6. my father works in the office. he has been working there since he graduated from the university. 1. — how long  have you been learning english, mary? — i have been learning it for three years.2. — where is catherine? — she is in the kitchen. she has been cookinga family christmas dinner since morning. she has just baked a big pie. 3. — are you playing on the computer? — yes, i have been playing for two hours. i have won three computer games. 4. susan has been helping her mother about the house all day long. they have already  cleant the floor and dustedthe furniture. 5. john and mary have been going shopping since 3 o’clock. they have bought a lot of nice things.