__________ , some students tend to develop a range of unhealthy habits .

I don’t remember having ever seen John since last week. Has he gone somewhere — Not really. He ______ his newly-bought apartment.

This is a(n) _______ mistake among the Chinese English beginners.

How the famous actor treated us made me feel he was not an important person out _____ reach, but kind big brother.[ ]

If I _____ one million dollars, I________ travelaround the world with my parents.