Quiz no. 1114 (Go vs Goes)

Which one is correct?

1.
A.I write letters.
Or
B.I writes letters.

2.
A.We need food.
Or
B.We needs food.

3.
A.You sing well.
Or
B.You sings well.

4.
A.He listen to me.
Or
B.He listens to me.

5.
A.She go to school.
Or
B.She goes to school.

6.
A.It rain here in August.
Or
B.It rains here in August.

7.
A.They work hard.
Or
B.They works hard.

8.
A.Mohan teach maths.
Or
B.Mohan teaches maths.

9.
A.My dog run fast.
Or
B.My dog runs fast.

10.
A.My friends support me.
Or
B.My friends supports me.