1. Write the verbs in correct tense forms.

The programme ________________ (cost) more than one billion since the beginning of the year.

Have you ever been to London?

It is the first time he has taken the plane

She looks upset: she has been looking for her purse for over three quarters of an hour

How long ago did you place that order?

We have not heard from them for quite a long time, I hope there is nothing wrong with them