---His sister read the picture-book three times yesterday.---_______.A. So did IB. so I doC. So I did
---He didn’t catch the train, did he? -- _________, because he was caught in the rain.
The book is________ interesting________ I can’t even drop it for a minute.
---I am very worried about tomorrow’s math test. I am afraid I can’t pass this time. --___________! I’m sure you’ll be successful.
---I wonder if it is going to rain next week. ---If it_________, I have to stay at home.
--I would rather_________ than dance. What about you? ---I prefer________.