I. Complete the following sentences with the past form of the verbs in blanks.
close ask laugh jump rescue start stop walk try teach
1.My father ............................ math at university.
2.We wre very tired, so we ...................... walking.
3.I ........................ to pick the bag up, but it was very heavy.
4.The firemen .......................... the woman from the burning house.
5.The cat ............................... to the tree.
6.After the film, we ................................. home.
7.It was very cold, so we ........................... the window.
8.You are late! The lesson ................................... ten minutes ago.
9.The teacher ................................. a lot of questions yester day.
10.The programme war verry funny, we................................ a lot.