When he saw a wallet on the playground , he at once . A. picked it up B. gave it up. C. picked up it.
______ is a capital city.
Walk ______ the river, then go ______ the trees, you can see a new zoo.
What ______ subjects do you like?
Lucy with her mother often ______ the zoo on Sundays.
There ______ any money in my school bag.