Put the correct form of the verbs in brackets
1: They (sell)______the house several years ago
2: I (not meet)_________them in the street last Sunday
3: What must we (do)______to keep our school clean?
4: He (not play)________soccer after school.He (do)_______his homework with his friends
5: (She/come)____________to she you last night?did
6: They (not be)________teachers in 2000