--Mary’s crying sadly in her room. Why must you say so to her?--I know I’ve hurt her, but it wasn’t my .
The villagers planted many trees in and around the village, which, _____, provide them with a beautiful scenery and much fresher air.
Out ______ when the bell rang.
When he was a child, he ______ watch TV whenever he wanted to.
Professor John will give us a lecture on how to learn English, but when and where _____ yet.
Having taken our seats, _______.