Anyone can get into the club, _______ he is a member there

In my opinion, keeping dogs should not be banned, but ________ to certain areas.

What do you think of the book—Oh, excellent! It’s worth_____________ a second time.

The Smith are considering _________ to England because they __________ the cold weather there.

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