—Have you seen Jack recently?—No. He for another company now.
Each time _____ they met, they would talk long hours together.
Cultural exchange __________ better understanding.
When I opened the door, I found my father sitting in his chair, completely _____ in the humorous stories he was reading.
A better plan was _____ by the headmaster.
-How about camping this weekend, just for a change?-OK,__ you want.