A good friend is a person_______ we Turn for help when we are in trouble.

Listen! Is that Millie singing—No. It _____ be Millie. She has gone to Beijing.

Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.

Do you want to _____ at the meeting —No, I have nothing to _____.

My name ________ Helen.