В первом надо вставить a/an/some​

some

a

an

Объяснение:

1. The girl is standing at the bus stop.

2. I usually visit my grandparents on Sunday.

3. I am doing my homework now.

4. Tom rides his bike every day.

5. The children are working in the garden now.

6. We often go to school by bus.

7. Tim is watching his favourite cartoon.

8. Sometimes Mona gies to the theater.

9. The boys usually play football in the yard.

10. We are cleaning the classroom now.

11. Tina is not listening to the teacher now.

12. Ben is running very fast.

13. I often watch TV in the evening.

14. Pam is talking to her friend now.

15. Liz writes letters to her parents very often.

1 now the girl is standing at the bus stop

2 i usually visit my grandparents on Sunday

3 i am doing my homework now

4 tom rides his bike every day

5 now the children are working in the garden

6 we often come to school by school

7 tim is watching his favourite cartoon

8 mona sometimes goes to the theatre

9 the boys usually play football in the yard

10 we are cleaning classroom now

11 the tina isn't listening to teacher now

12 ben is running very fast

13 i often watch TV in the evening

14 pam is talking to her friend now

15 liz writes letters to her parents very often