Tom returned from the manager's office, __________ me that the boss wanted to fire me.
I don’t know who invented _____ iPhone, but I think it is____ useful invention.
Mr. Li, who _____ his whole life to education, is retiring next month.
________ your dog with me should be a good choice. Trust me and I’ll look after it well.
Although the medicine can cure you ______ your illness, it has a bad effect ______ you.
People often think they are energetic and healthy and don’t need exercise. _______ , I have to warn that it is completely wrong.