Question

1. Why … study last Sunday?
a) had she to
b) must she
c) did she have to

2. My sister … in London since 2001.
a) is living
b) lives
c) has been living

Answer 1

первый незнаю но во 2 вопросе ответ 2

Answer 2

Why did she have to study last sunday?

My sister lives in London since 2001.