The place ______ you are going to visit is the ruins (废墟) of the World Trade Center.

do English peopletalk so often about the weather when they start a conversation— Well, it’s probably theweather is a __________topic.

he denied having seen my lost MP4, Ibelieve at least from nobody else can I get better source of information.

You might wonder how this kind of animal ____ to live without eating for so many months. [ ]

Daniel never does his homework Mary, so he often makes some mistakes.