A lot of small towns in Nanchong are definitely worth_____.

The river smells so terrible! How did it come about?—People used to pour dirty water into it.

Don’t worry _________ me, I can look after myself well.[ ]

What’s wrong with you, Dave?–My homework can’t beon time because I’ve left it at home.

I have seen the film Titanic already．一When_______ you________ it?