It is said that the temperature is unusual mainly ________ global warming caused by human activities.
______ is worth doing well.
— How do you usually go to work?— If it is fine, I _______ on foot.
Not only ______ prepare lunch for us, but also _______ clothes for us.
— You know what? Tom wants to be Harry Potter after he graduates from school.— Are you kidding? He’ll never ______ a person like him.
-----Tom passed the final exam . ---______, and _______.