It is very hot. Summer (come)

1.             It is very hot. Summer (come)                     .

2.              They (study)                  _at this school for 7 years now.

3.              They (begin)                  _ to study at this school 7 years ago.

4.              Since (you know)                    when her ?

5.              How long ago (he start)                     to learn French ?

6.              She (lose)                     her handbag on the train yesterday morning.

7.              My mother (be)                     in hospital for a long time and she cannot go home yet.

8.              His dog (just run)                     out of the garden.

9.              Mr Brown (travel)                     by air several times in the past.

10.          He (travel)                    to Mexico by air last summer.