3 Complete the sentences with the correct past form of the verbs given.
1 My friend
(call) me at 11 o'clock
last night, just as I
(go) to bed.
2 I
(have) a terrible headache all
day - I
(take) three headache
tablets, but it won't go away.
3 When I
(look) out of my window
this morning, everything
(be) white
because it
(snow) all night.
4 I
(wait) to speak to the professor
for over two hours, but she still hasn't arrived.
5 I find university life difficult. I
(study) here for nine months, but I still
(not make) any close friends.
6 I couldn't open the door because I
(forget) to bring my key.
7 That dog is driving me mad. It
(bark) all morning!​