1. We (am, is, are) wearing T-shirts. 2. He (is, are, am) Russian. 3. Where (is your, your) bag? 4. My brother and I (have got, has got) a puppy. 5. My cousin (likes, like, liking) to play with my dog. 6. There (is, are) two children in the street. 7. There is (a, an, -) umbrella behind the chair. 8. Look at your (feet, foots, foot). They are dirty. 9. My (mother's, mothers) name is Ann. 10. My friend (have got, has got) a new computer.

Ответ:

1. We are wearing T-shirts. ("We" – множественное число, используем форму "are")
2. He is Russian. ("He" – единственное число, используем форму "is")
3. Where is your bag? (относится к одному предмету "bag")
4. My brother and I have got a puppy. (вместе "My brother and I" – множественное число)
5. My cousin likes to play with my dog. ("My cousin" – единственное число, используем форму "likes")
6. There are two children in the street. ("two children" – множественное число, используем форму "are")
7. There is a umbrella behind the chair. (umbrella начинается с гласной, но произносится как согласная)
8. Look at your feet. They are dirty. ("feet" – множественное число)
9. My mother's name is Ann. (притяжательный падеж единственного числа)
10. My friend has got a new computer. ("My friend" – единственное число)

Ответ: