Past Simple or Present Perfect Tense

XII. Past Simple or Present Perfect Tense
1. The weather
2. We
3.
4. Emma
5. They
6. Shall we play tennis? We
7. The airplane
8. Prices
9. I'm tired. We
(be) awful in the past few days.
(wash) the dishes. They're clean now.
(your course, start) yet?
(pack) her suitcase last night.
(close) the factory. - Really? When
(not play) since we were children.
(land). The pilot is just getting out.
(go) up. Everything is more expensive this year.
(walk) 10 miles.
(orrive) in an RAF helicopter last night.
(that happen) ?