1. a : you\ to meet ) sally yesterday? b: to see ) her in park. 2. a: ( you\to do ) yesterday? b: ( to have) a picnic on the beach. 3. a: it\to be ) sunny? b: the ( to shine ) in the afternoon, but ( to be ) rainy in the evening. 4: a: ( alex\to leave ) london? b: london in 2005.

1. A: Did you meet  Sally yesterday?
B: I saw her in the park.
2. A: What did you do yesterday?
B: We had a picnic on the beach.
3. A: Was it sunny?
B: The sun was shining in the afternoon, but it was rainy in the evening.
4: A: When did Alex leave London?
B: He left London in 2005.