( )—How old are the twins?
—______________________.
A. They are twelve years old B. They are lovely C. They are from Britain
This book is mine. But that is .
A. your B. yours C. you
Before have lunch, You should .
A. tidy the room B.wash your hands C. jump on the bed
Yesterday ______team won. They got seventy points.
A. them B. They C. their
There any benches here before.
A. were B. weren’t C. wasn’t
In China, we sitlines.
A. on B.in C.around