It is uncertain side effect the medicine will bring ?about?,although about two thousand patients have taken it. [ ]

We weren’t able to any new suggestions.— Don’t worry. We’ll try to figure it out.

No one ______ be more generous; he has a heart of gold.

David has a big house, which ____ eight rooms.

Do you know _______ they got to know each other—It was last year_______ they both taught Chinese inScotland