I rushed there in a taxi only _______ thelibrary_______.

The mother asked her son_________.

____ you _____ of the pop singer called Justin Bieber— Yes, I have. His voice sounds_____.

The teacher spoke so fast that it was hard for the students to ______ what he was saying.

How do you like the book you read yesterday—Oh! It’s one of ______ books I’ve ever read.