—Mum, have you seen my mobile phone?—The one you bought last week? I’m sorry I haven’t seen ________.

My parents come from Hunan, but ____ of them likes hot food.

— Do you know who teaches ______ Chinese? — Yes . Mr Wang does.

－ I need something for cutting the paper.－ Oh, you want a knife? OK, I'll get ______ for you.

I think _________ necessary for students to take an interest in all subjects.