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$(2x + 1)^{2}$ - (3x - 2) . (3x + 2) - 5x . (3 - x) = 15 Mọi người cũng cần phải triển khai hằng đẳng thức nữa, làm hộ dùm, mai nộp r.
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ENGLISH PRACTICE 31 I: Write the correct tense of the verbs in brackets. 1. I (not see)_______ him for ages. 2. What you (do)______ when I (phone)______ you last night? 3. Look. The teacher (come)_______ here. 4. Lan is saving money. She (buy)_______ a new bicycle. II: Each sentence has a mistake, find and correct it. 1. Children don’t go to school on Sundays on the world.  ……………………… 2. My book is the same of yours.  ……………………… 3. He speaks English is like an English man.  ……………………… 4. They do their best to keeping the family happy.  ……………………… 5. There are many differently ways of learning words.  ……………………… III: Fill in each blank with one suitable preposition. 1. My mother is always proud_______ me and my brother. 2. I was born_______ January 1st, 1965. 3. Do you want to watch the sky_______ sunset? 4. You don’t have to learn_______ heart this poem. 5. I don’t know what he’s doing_______ this moment. IV: Complete the following sentences with the correct form of the words in brackets. 1. Lynn is the most_______ girl in the country. BEAUTY 2. Ba is_______ from his father. DIFFER 3. It’s_______ to go swimming in the summer. INTEREST 4. Are you a_______ or are you living here? TOUR V: Rewrite the following sentences that keep the same meaning. 1.The teacher said to the children: “Don’t make noise in class.”  The teacher told……………… 2. Nam will solve the problem soon.  The problem……………. 3. A big house was built last year.  They……………………… VI: Make sentences, using the words given. 1. what/ you/ do/ when/ storm/ occur?  …………………………………………… 2. The singer/ have/ three albums/ so far.  ………………………………………… 3. I/ used to/ chase/ butterflies/ my sister.  ………………………………… VII: Fill in each space with a correct word to complete the text below. remember make example tongue heart piece Different language learners learn words in different ways. Some learners (1)_______ a list and put into it the meanings of new words in their mother (2)_______, and try to learn them by (3)_______. However, others do not. Instead, they write one or two (4)_______ sentences with each new word in order to (5)_______ how to use the word in the right way. VIII: Choose the best option to complete each sentence below. 1. It_______ in winter; now it_______. A. rains/ doesn’t rain B. rains/ isn’t raining C. is raining/ isn’t D. is raining/ doesn’t rain 2. He normally_______ quickly but today he_______ slowly. A. is speaking/ isn’t speaking B. speaks/ doesn’t speak C. is speaking/ speaks D. speaks/ is speaking 3. He not only sings_______ dances.A. but also B. and C. as well D. also 4. You should cool the burn_______. A. immediate B. immediately C. immediating D. immediated 5. _______ is easy.A. recycle B. recycling C. to recycle D. recycles 6. My friend doesn’t know the City very_______.A. good B. moreC. a lot D. well 7. This is the first time I_______ his mother.A. meet B. am meetingC. have metD. met 8. The doctor_______ a red car lives near my house. A. to drive B. driving C. drove D. driven 9. It is_______ to find a modern hotel in this town. A. difficult B. difficulty C. difficultly D. more difficult 10. Would you mind if I_______ a photo? A. take B. took C. taking D. to take

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