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Here are the answers to the questions: 17. D. but 18. A. preparing 19. D. is cooking 20. B. was doing 21. B. to use 22. B. meaningful 23. B. am going to visit Analyze: 'advantage' stressed at second syllable 'computer' stressed at second syllable 'energy' stressed at first syllable 'donation' stressed at second syllable Therefore, 'energy' has a different stress position to other words. Answer: C. To determine which word has an underlined part that differs in pronunciation from the other three, we need to look for the word with a distinct sound or syllable stress that stands out. Let's analyze the options: A. washed: wɑʃt (1 syllable) B. grouped: grupt (1 syllable) C. helped: hɛlpt (1 syllable) D. interviewed: ˈɪntərvjud (3 syllables, with the main stress on the first syllable) The underlined part is likely referring to the 'ed' suffix in options A, B, and C. All three words end with the 't' sound, but the vowel sound before 't' differs between 'wɑʃt', 'grupt', and 'hɛlpt'. However, option D stands out because it has a completely different pronunciation pattern due to having multiple syllables and a different ending sound ('juːd' instead of the 't' sound). However, given the context of comparing the underlined parts (which seems to be referring to the 'ed' suffix), we should compare the sound of the suffixes instead. The words A (wɑʃt), B (grupt), and C (hɛlpt) all end with the 't' sound, whereas option D doesn't have a similar 'ed' sound. So, based on the 'ed' suffix comparison, option D would be different. But looking at it from a broader perspective where the question might be looking at the overall pronunciation difference (including syllable count and stress patterns), we would say that the underlined part (ed) itself does not differ in the case of options A, B, C, and that all three words (A, B, C) end with the 't' sound while option D has a 'juːd' sound and three syllables. However, option D doesn't even have an 'ed' ending like the other three options do. In the case of options A, B, and C we can say the pronunciation difference is not significant (while D has a much bigger difference overall) - we can see the 'ed' pronunciation in 'washed', 'grouped', 'helped' is all 't' while in 'interviewed' 'ed' is 'juːd'. In this case, the real differentiator between A, B, C, and D is that option D does not have a 't' ending. Question 1: Nga has been doing voluntary work to support the community for 2 years. Question 2: We use a laptop for getting on the Internet or sending messages. The invention of the internet is one of the most significant technological advancements in human history. This innovation has brought numerous benefits to our lives, making it an indispensable tool in today's world. Firstly, the internet has enabled rapid global communication, connecting people across the globe and fostering international collaboration and understanding. Secondly, it has provided unparalleled access to information, allowing us to learn about various subjects and stay updated on current events. Lastly, the internet has also facilitated e-commerce, making it possible to shop and conduct business transactions from the comfort of our own homes.