Complete the conversations with the correct form of the verbs in brackets: past simple, past continuous or used to.
Ben:

Helen, do you recognize that women over there?
I think we used to go (go) to school with her.
Helen: Oh, yes. That,s Clare Brown! She looks so different.
She (1)_______(have) much longer hair.
Ben: Yes, and she (2) __________(not wear) glasses.
Helen: I wonder what she`s doing these days.
The last time I (3)_______(see)her, she
(4)__________(work) as a teacher.
Ben: What subject (5)________(she/teach)?
Helen: I`m not sure. shall we go and say hello?
Evie: What (6)________(you/think) of the exam, Oliver?
Oliver: Well, I(7)_________(be) good at maths
when I was at primary school, but I
(8)_________(find) the exam today really
difficult. How about you?
Evie: Me too. And I(9)________(not have)
enough time to answer all the questions.
Oliver: Yeah, I (10)________(still/write) when the
teacher (11)_______(say) `Stop`.
Evie: Oh, well. Let`s just hope we both pass.
Tom: Welcome back, Justin. How was the skiing trip?
Justin: Not so great. Unfortunately, my wife
(12)________(break) her leg on the first day.
Tom: Oh, that`s terrible. How (13)______________
(it/happen)?
Justin: Well, the funny thing is, she (14)__________
(not ski) at the time! She (15)__________(fall)
over in the hotel when we (16)____________
(walk) down the stairs to go to breakfast.
Tom: Oh no! What a shame!