The pupils(plant)the trees i (come).When the train (arrive)?- In аn hour. When I (enter) the house they (have) supper. It (be) my birthday next Monday. Bob never (play) golf.

Ответ:The pupils planted the trees. (simple past)

When does the train arrive? - In an hour. (present simple)

When I entered the house, they were having supper. (past continuous)

It is my birthday next Monday. (present simple)

Bob never plays golf. (present simple)

Объяснение: