these are ages ( in years ) of twenty children in a music club .

find the range .

10       11       9       11       9       8       10       8       9       7

7         10       8       9       12      11       9        7       8       9

XII. Rewrite the sentences using the given words

146. It isn’t necessary for you to finish the work today. (have)

→ You don’t ________________________________________________________________________________

147. Why were you absent from school yesterday? (go)

→ Why _____________________________________________________________________________________

148. Nam find driving on the left difficult. (used)

→ Nam _____________________________________________________________________________________

149. When did Peter start sending letters to his girlfriend?

àHow long__________________________________________________________________________________

150+151+152. I have never seen such an ugly dog before.

àThis______________________________________________________________________________________

à This_____________________________________________________________________________________

àI ________________________________________________________________________________________

153. I started cooking dinner at 5 p.m.

à I_________________________________________________________________________________________

154. Jane has been ill for a fortnight.

àJane_______________________________________________________________________________________

155. My grandparents have done the gardening for half an hour.

àMy grandparents_____________________________________________________________________________

156+157+158. This is the first time Tim has ever seen such a crowded room.

àThis is_____________________________________________________________________________________

à Tim______________________________________________________________________________________

àTim______________________________________________________________________________________

159. Dan began drinking wine on Christmas Eve.

àDan______________________________________________________________________________________

160. How long have you waited for me here?

à When____________________________________________________________________________________

161. I have known her since I was at primary school

àI ________________________________________________________________________________________

162. Lena has cried since midnight.

à Lena_____________________________________________________________________________________

163+164+165. The Johns have never taken part in such a funny contest before.

àThe Johns_________________________________________________________________________________

à This is___________________________________________________________________________________

àThis is____________________________________________________________________________________

hộ ah.làm nhanh nhất ,đúng mình tick cho

ai làm đúng nhanh mình tick cho