Jim went to answer the phone. _________ , Harry started to prepare lunch.

Mike came here ________ to see you, _____ after he heard that you had returned from abroad.

Scientists have come to the conclusion_______ the temperature on Earth is getting higher and higher.

Tonny’s parents thought he was at school，but________he was in a net bar.

---- Do you think it's a good idea to make friends with your students? ---- _____ , I do．I think it's a great idea．