Найдите ошибки в использовании артиклей:

а) Masha has the black dog. A dog is in the yard.
b) my mother is not the singer.
c) there is no lamp in a room
d) A Anna is a doctor.
e) there are the seven pens in the pencil-box
f) I can see a stars in sky

a) Masha has the black dog. THE dog is in the yard.

b) My mother is not A singer.

c) There is no lamp in THE room. (если честно, то это я не знаю, можешь не писать)

d) Anna is a doctor.

e) There are a seven pens in the pencil-box.

f) I can see THE stars in the sky.

Надеюсь, сделала правильно.. Удачи!