1.SẮP XẾP TỪ ĐỂ TẠO THÀNH 1 CÂU HOÀN CHỈNH

1: in their free time./do/that/should/teenagers/sports/I believe/a lot of

2:almost anywhere./the most populer/because it/soccer/can

easily/is considered/team sport/be played

3:and the national one./are rushing/thousands of people/watch/between the city's team/to the stadium/the match/in order to

4:their favorite activities/are chatting/my students/in their free time./about

5:either/or/Mom said?could/stay home/that/go to the co

ncert/playing video games./we

2.VIẾT LẠI CÂU SAO CHO NGHĨA KO THAY ĐỔI

6:would you like to decorate your room on your own?(WANT)

-Do.................yourself?

7: During dinner,she never watches TV.

-While.......................

8:Jack likes painting portraits.(KEEN)

.............................................................

9:Both John and Mary enjoy team sports(SO)

-John enjoys...........................................

10: How about cycling to the country this weekend?(CYCLING)

-let's................................................................

Cho AOB và BOC là 2 góc kề bù biết BOC=S AOB

A, tính AOB,BOC

B, gọi OD là phân giác BOC.Tính AOD