Question

Fill in the article (a/an,the) where it is necessary.
1. .... Mark Twain is famous for his book "The Adventures of Tom Sawyer
2. .... Smiths have... dog and ... cat.
3. "Is this your ... friend?"-"No , it is not my ... friend, it is  my sister"

Answer 1

В первом не надо вставлять артикль,т.к. там имя человека
2 The ,a, a
3 Нигде не надо вставлять

Answer 2

1) --- 2) the, a, a 3) ---, ---