If you don’t know the new word, you’d better ＿＿.

— How long have you _______ this book?— About ten days. I _______ it last month.

— Do you often watch the TV program Man and Nature?— Sometimes. It’s an interesting program, but I            Sports News.

He told me he had finished the work ______. 

When he ________ home, he saw his mother           the room.