--- I’m not good at singing, you know. --- ________! It’s just for fun.
16. —Who____ it be that is knocking at the door? —It ____ be Father, but I’m not sure.
15. —Why is Mr. Li so happy this morning? —Because he was honored with a(n) ____ for excellence in teaching.
14. I will ____ you for your kindness if you can help me to watch over my dog during my holiday.
13. Don't ____ him to do anything. He's just a talker.
12.____ how much they pay, I am not interested in this kind of job.