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A. doing me
B. do I
C. doing my
D. to do me

1. 一I _________ (have) lunch when Bill knocked at the door.
2. He used to enjoy _________ (listen) to rock music.
3. Chinese tigers live in the south of China. They aye the _________ (old) typle of tigers living in the world.
4. The rainforests can give us a lot of _________ (use) things.
5.一Would you mind _________ (teach) me? 一Not at all.

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A. Yes, of course
B. OK. You're right
C. Sorry. I'll do it right away
D. Not at all. Here you are