Question

Вставить who or which 1 she returned me the book.... i gave her yesterday 2 do you know the student.... has won the first prize in the competition 3 the mothe tongue is a language.... a child learns naturally in her family 4 i knew a lady.... played tennis every day 5 Kate found a bag.... she liked

Answer 1

2,4 - who
1,3,5 - which