Is ________ name Bob? Yes, I’m Bob.

Is this the reason _____ at the meeting for his carelessness in his work?

Is the man standing outside the teacher’s office Mr. Zhou? –No, it ______ be him. He has gone to Hong Kong for an academic conference.

My keys are in my bag. keys under that desk aren’t mine.

He often goes ____ school ____ six thirty ____ the morning. [ ]