_____ extremely exhausted, I turned to look at the puppy that _____ at the door.
As is recorded in history, silkworms were first raised in ____we now know as Hebei Province.
He got completely when he saw both Lucy and Lily, who are twin sisters.
______ the new policy, we are now living in a grand, new apartment.
John’s never willing to change his mind. It is no use ______with him.
John is the only one of the students in the class that never_____ a mistake even when it is pointed to him.