С! complete the conversations. use one word. a; has nick come home ? b; i think i haven’t seen him. a; what time is it? b; i don’t know.my watch a; i’ve hurt my leg. b; when do it. a; has sally had her dinner? b; idon’t .i’ll ask her. a; i don’t know how b; have you read the instructions? ! 11! 1
2)stopped
3)did
4)think
5)works