Hardly _____ the dormitory the next morning when we _____ we had left our map in the room.[ ]

I’m sorry to ____ you to so muchtrouble. —That’s all right.

I ______ a good way of improving my English.

I really appreciate ________ to relax withyou on this nice island.

In the following two hours he was _____ the performance, because it turned out to be as wonderful as he had expected.[ ]