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Tìm giá trị nhỏ nhất , giá trị lớn nhất của A = x ² + y ² biết rằng : x² (x² +2y² -3 ) + (y ² -2) ² =1
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9.5 We went shopping and spent ________________money. A a lot of B much C lots of D many 10.1 Jane doesn’t enjoy her job any more. She’s ___________ because every day she does exactly the same thing. A boring B bored C boredom 10.2 Lisa was carrying a_____________ bag. A black small plastic B small and black plastic C small black plastic D plastic small black 10.3 Maria’s English is excellent. She speaks _____________. A perfectly English B English perfectly C perfect English D English perfect 10.4 He ______________________ to find a job, but he had no luck. A tried hard B tried hardly C hardly tried 10.5 I haven’t seen her for _________________, I’ve forgotten what she looks like. A so long B so long time C a such long time D such a long time 10.6 _____________ she can’t drive, she has a car. A Even B Even when C Even if D Even though 10.7 Joe never phones me.________________- . A Always I have to phone him B I always have to phone him C I have always to phone him D I have to phone always him 10.8 The exam was quite easy -___________I expected. A more easy that B more easy than C easier than D easier as 10.9 The more expensive the hotel, _____________. A the service will be better B will be better the service C the better the service D better the service will be 10.10 Patrick is a fast runner. I can’t run as fast as ______________ . A he B him C he can D he run 10.11 What’s ________________ you’ve ever made? A most important decision B the more important decision C the decision more important D the most important decision 11.1 I couldn’t sleep _____________ very tired. A although I was B despite I was C despite of being D in spite of being 11.2 The club is for members only. You ______________ you’re a member. A can’t go in if B can go in only if C can’t go in unless D can go in unless 11.3 Yesterday we watched TV all evening ________________ we didn’t have anything better to do. A when B as C while D since 12.1 Bye! I’ll see you __________. A at Friday morning B on Friday morning C in Friday morning D Friday morning 12.2 I’m going away __________________ the end of January. A at B on C in D of 12.3 When we were in Italy, we spent a few days_____________ Venice. (a city) A at B to C in D on 12.4 Our apartment is __________________ the second floor of the building. A at B on C in D to 12.5 I saw Steve _____________ a conference on Saturday. A at B on C in D to 12.6 What time did you ________________-the hotel? A arrive to B arrive at C arrive in D get to E get in 12.7 I’m going ______________________ holiday next week. I’ll be away for two weeks. A at B on C in D for 12.8 I prefer tea ______________ coffee. A to B than C against D over 12.9 I don’t know what time we’ll arrive. It depends ______________ the traffic. A of B for C from D on 12.10 I’m not very good________________ repairing things. A at B for C in D about 13.1 These shoes are uncomfortable. I’m going to _____________. A take off B take them off C take off them 13.2 They were playing cards, so I _____________. A joined in B came in C got in D broke in 13.3 Nobody believed Paul at first, but he______________ to be right. A worked out B came out C found out D turned out 13.4 We can’t ______________making a decision. We have to decide now. A put away B put over C put off D put out 13.5 I put my hat on _______________ protect my face from the sunlight. A for B in order to C on order to LÀM ƠN CÁC BẠN ƠI, GIÚP SỮA VỚI SỮA ĐANG VỘI QUÁ, CẲM ƠN NHÉ.

1. Lan has a headache. Tam has a headache.(too) 2. Mr Brown wasn’t at word. Mrs brown wasn’t at word.( either) 3. My brother is studying now and my sister is studying now.(so) 4. You don’t know her name and I don’t know her name.( neither) 5. He speaks English well. She speaks English well.(so) 6. Nam didn’t go to school yesterday and Minh didn’t go to school yesterday. (either) 7. I don’t like pork and she doesn’t like pork. (too) II BÀI TẬP VỀ NHÀ III. Practice 1. You should wash spinach ... before cooking them.(good) 2. Yesterday, I had an awful ....(stomach) 3. Everything in the room was extremely .... (dirt). 4. Vegetables are very good for your .... (health). 5. You must wash vegetables ...... (careful). 6. There was a wide .... of vegetables on display.(select) 7. The mother was ..... worried about her son's poor health.(terrible). 8. Back of my head is so ...... (pain)

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