Помогите вставить слова, пожалуйста. 1 Sam (0) was writing on the classboard . He (1) ........... what his classmates

Помогите вставить слова, пожалуйста. 1 Sam (0) was writing on the classboard . He (1) ........... what his classmates(2) ....... at what time. 2 While Pete (3) ........ , John (4) ...... him. 3 While Sue (5)........ , she (6)........ . 4 Bill (7) ...... to Tom. Tom (8) ...... and he (9) ....... Bill. 5 Helen and Laura (10)....... .