用所给词的适当形式填空。
1. They______ (take) many photos in the park last year.
2. —Who ______ (clean) the living room?
—Kate did.
3. Yesterday I ______ (hang) out with my best friend.
4. The Greens went to the restaurant and______ (eat) some hamburgers.
5. There are lots of______ (visit) in Europe every year.
6. Tim______ (sleep) late yesterday.