помогите сделать с пятого задания

???

ну с 5-ого предложения

5 are these workers English or German? We are Frenchmen
6 why don't you eat these potatoes?
7 these strawberries are still green
8 the withered leaves have fallen to the ground
9 can you see birds in those trees?
10 do your teeth still ache?
11 i help up my feet....
12 his children study. ...
13 these men work at our office
14 there are new houses in our street
15 these stories are interesting
16 i have hurt my feet
17 the wolves have been....
18 he keeps his toys....
19 put these knives those table