----The task is challenging and demanding. Who do you think can make it?---- ___________my partner have a try? I think she is the right person to do it.

—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now. 

--- Do you have _________ paper, Millie ? I want to write a letter.--- Sorry, I don’t have          .

－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.

---I haven’t got the reference book yet, but I’ll have a test on the subject next month.---Don’t worry. You ______ have it by Tuesday.