chiếu một chùm tia sáng song song với một gương phẳng một học sinh cho rằng chùm tia sáng cũng là một chùm song song. Theo em nhận xét như vậy có đúng không. Hãy vẽ chùm tia phản xạ để khẳng định câu trả lời

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IV. Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. 21. I don’t like your criticizing me all the time. I wish …………………………………………………………………………….…………………………. 22. It’s awful –Sam doesn’t know how I feel about him. If only …………………………………………………………………………..…………………………... 23. I’d love to be with you in Switzerland right now. I wish ………………………………………………………………………………...…………………….. 24. Frank regrets not taking the job when he had the chance. Frank wishes ……………………………………………………………………………………………….. 25. Wouldn’t you like us to be standing in the middle of Times Square right now? Don’t you wish …………………………………………………………………...………………………… 26. It’s a shame I can’t play chess as well as Steve. I wish ……………………………………………………………………………...……………………….. 27. What would you do if you had a million euros? Suppose ……………………………………………………………….……………………………………. 28. I don’t really want you to smoke in here I’d rather …………………………………………………………………………...………………………. 29. It’s time for them to go to bed. It’s high time ……………………………………………………………………….……………………… 30. It was such a boring job that no one wanted to do it. C (176) Such ……………………………………………………………………………………………………………..