A. There’s a mistake in each of the following sentences. Correct the mistake and rewrite the sentence.

46. I do well at most of the subjects at school, but I don’t really like P.E. and geography.

à _______________________________________________________________________

47. My sister really enjoys do arts and crafts on the weekend.

à _______________________________________________________________________

48. To join the Chess Club, you need to sign up in the noticeboard before Friday this week.

à _______________________________________________________________________

B. Put the words in the correct order to make to make correct sentences.

49. of/ reading?/books/ What/ do/ kinds/ you/ like

à _______________________________________________________________________

50. is/ favorite/ chess/ activity./ indoor/ my/ Playing

à ______________________________________________________________________

2.+gọi số cần tìm là a.Ta có: a∈ƯCLN (28;24) mà
         28=2^2.7
         24=2^3.3
=>ƯCLN (28;24)=12
Vậy ta có thể tìm đc 12 tổ
1.gọi số cần tìm là a.Ta có: a∈ƯCLN (240;210;180) mà
         240=2^4.3.5
         210=2.3.5.7
         180=2^2.3^2.5
=>ƯCLN (240;210;180)=30
Vậy ta có thể tìm đc 30 phần 
Khi đó mỗi phần có :
           240:30=8 cây bút bi
           210:30=7 cây bút chì
           180:30=6 tập giấy

Câu 4: Viết  dưới dạng lũy thừa với cơ số 2

B. Read the following newsletter and fill in each blank with a suitable word/phrase from the box.

practice indoor outdoor fun sign up exciting

Hello, everyone!

We have a great news. It’s our turn to host the Weekend Playground next Saturday on our school campus. It starts at 9 a.m. and ends at 8 p.m. Admission is free for all of students as usual. You can invite your friends to come and have (41) _________ together. We have lots of activities for you to join. For (42) _________ activities, there is a soccer game at 3 p.m. To join the teams, you need to (43) _________ on the school’s website before the end of this week. You also need to (44) _________ with your team before the game begins. For (45) _________ activities, the Arts and Crafts Room opens all day for those who like making things. We also have an interesting show – Romeo and Juliet performed by our Drama Club at 6 p.m. We’re really excited to welcome you all.

Write the correct form of the words in the brackets.

21. Is that blue bag yours, Mike? – No, it isn’t. __________ is brown. (I)

22. What do you do in ___________ P.E. class? (you)

23. The story of the movie isn’t very interesting, but the __________ perform really well. (act)

24. I want to join the Drama Club because I like __________ . (act)

25. Would you like to go to the __________ of our drama group this evening? (perform)