-How do you do? -______ A. How are you? B. How do you do? C. I’m fine.
Tigers wait ______ it is dark, then they go out to find their food.
______ do you read English newspapers? I read 21st Century every day.
Thanks a lot for ______ me ______ your house for dinner.
Ming says he is going to be ______ engineer, because he is interested in science.
--- Let’s go to see a film this evening. --- ________. I’d be glad to.