Use the appropriate forms of the verbs in brackets (present perfect

Use the appropriate forms of the verbs in brackets (present perfect or past simple) to complete the sentences. Before doing the task see Grammar Reference, p. 215.
1) Why Jason (not to come) to school?
I think he is coming down with a cold.
2) You (have) a nice time last Saturday?
I (do). That (be) an excellent party we (have) then.
3) Id love to go to America.
No wonder. Its a very interesting country.
You (be) there?
Yes, I (be) there 3 years ago.
4) Do you often come to this disco?
No, this is the first time I (come) here.
5) I really love this cake. Its the nicest cake I ever (have).
6) You (be) to France?
Yes, I (have). I (be) there twice.
You (like) it?
Yes, it (be) super!
7) They dont have a car any longer. They (sell) it. They (sell) it the other day.
8) Go and wash your face and hands.
But I already (wash) them.
Sorry, your face is still dirty.
9) You (do) the shopping? You (buy) everything?
No, Im sorry. I (forget) to take the shopping list.
10) You (eat) all the sandwiches?
Yes. I (be) so hungry!