Alice, I can’t find my bike.— Don’t worry. I saw ______ black one under the tree. Is it yours?

Where does John live?—He lives on ______ floor but he doesn’t use a lift to go up and down.

The twins are good at singing. —Yes, but I don’t think Lily sings as _________ as Jane.

Can you speak French?—Yes, but only____.

This is____ a difficult problem ____ all of us can’t work it out.