The book, which sells well, is on a true story.

If I _________ ten years younger, I _________very happy.

Mum, can I go out to play for a while–No, you can’t, ________ you finish your homework.

You have to be a fairly good speaker to ________ listeners’ interest for over an hour.

Some teachers often give their students too much work to do, ________that they will thus improve their school grades.[ ]