Nguyễn Phương Mai's Profile

* Write one work in each gap 

Paul : Hi, Peter ! (1) ........ are you ?

Peter : I'm fine . (2) .... you heard about Mr.Watkins , the Maths teacher ?

Paul: No,(3) ........happened to him? 

Peter: He fell out of the windown of this classroom !

Paul: (4) ......... pushed him ?

Peter: No one !

Pauld: So how (5) ..... it happen ? 

Peter: He was sitting on the windownsill and he just fell backwards !

Pauld: Oh dear ! Poor Mr.Watkins .(6)....... he hurt ? 

Peter : No , lucky his classroom is on the ground floor .

Paul: That's luckily (7)...... you there at the time ? 

Peter: Yes ! We were having a Maths lesson .

Paul: So(8)...... did you all do ?

Peter: We ran outside to help him. We were all laughing , though! 

Paul: (9) ....... he think it was funny , too ?

Peter: Not at first , but he laughed about it after wards 

 

 

 

 

 

 

 

cho tam giác ABC cân tại A , kẻ tia AH là tia phân giác của góc BAC , kẻ HD vuông góc với AB , HE vuông góc với AC . C/M

a) HB=HC

b)tam giác ADH=tam giác AEH

c) BD=CE

d)Tam giác HDE cân

e) AH là trung trực của DE , DE//BC

f) cho AB=AC=13cm , BC=10cm . tính AH?