Complete the sentences with the verbs in the past simple or the present perfect. 1. you (be) to london? - yes,i (be) there last summer. 2.she (never/fly) a kite. 3.the tourist (just/cross) the square. 4.they (cross) the street, (turn) to the left, and (see) the boat. 5.we are very tried. we (just/clean) the house. 6.the students (visit) the science museum yesterday. they (spend) science night int the museum.