---Mrs Black seldom eats meat,________ ?---________ . She is a vegetarian(素食主义者).
Where’s Dad? Mum is looking for ______.
I didn’t know ______ last year.
The city walls _______ forty years ago. What a pity!
My classmate, Ann, ________ five Oxford Bookworm novels already.
Mr Brown, I have ________ special to show you. Guess what it is.