dungduc10a8 7/25/2024 6:13:10 PM
6. It is possible that we won't have to take an entrance exam this year. A. Perhaps we don't have to take an entrance exam this year. B. We mustn't take an entrance exam this year. C. We mightn't take an entrance exam this year. D. It is likely that we will take an entrance exam this year. 7. Perhaps he had returned before you called. A. He may be returning before you called. B. He may/might have returned before you called. C. He should have returned before you called. D. He must have returned before you called. 8. It would have been better if she had bought some sugar. A. She should have bought some sugar. B. She must have bought some sugar. C. She might buy some sugar. D. She might have bought some sugar. 9. It turned out that I had been worrying about my job unnecessarily. It was not as difficult as I thought. A. I shouldnt have worried about my job. B. My job turned out to be worried. C. I turned out to be worrying about my job. D. I neednt have worried about my job. 10. Im sure he knew all about the secret because he was there when we were talking. A. He must be knowing all about the secret because he was there when we were talking. B. He should have known all about the secret because he was there when we were talking. C. He must have known all about the secret because he was there when we were talking. D. He might have known all about the secret because he was there when we were talking. 11. It isn't mandatory to submit your assignment today. A. You mustn't submit my assignment today. B. My assignment must have been submitted today. C. I needn't submit my assignment today. D. My assignment is required to submit by today.