1) Who is she? a) She is a doctor. b) She is a scientist. 2) What does he do? a) He does experiment in the laboratory. b) He does experiment in the library. 3) Is a knife dangerous? a) No, it isn't. b) Yes, it is. 4) Are goggles safety equipment? a) Yes, they are. b) No, they aren't.

Classifica

Stile di visualizzazione

Opzioni

Cambia modello

Ripristinare il titolo salvato automaticamente: ?