Question

How many sisters have/has she got? ОТВЕТЕ СЕГОДНЯ СДАТЬ​

Answer 1

How many sisters has she got?
Т.к “Has” употребляется с he, she, it
Have употребляется с I, you, they

Answer 2

Ответ:

How many sisters has she got?

Have + I/You/We/They + got ?

Has + He/She/It + got ?