As a science lover, I hope I can invent a bike ________ can fly in the sky.
where
when
which
who
How much is the sweater ?
--Let’ t go for a walk . --- That sounds good .
She has a lot of books , but she has not many bookshelves .
--___________? –Not bad, we’re having a great time. Thank you.
The weather is fine. The students are having a good time _______basketball.