If you are in the zoo, remember not to touch or go near the animals. Although some of the animals are cute, you _________ leave them alone.

How_____interesting the book is! I do want to read it_____second time.

Alison has been sleeping ______ eight o’clock yesterday evening.[ ]

Is that Kate’s car?–It ______be hers. She has just gone for a meeting.

You’d better leave, because it’s dangerous here. [ ]