Father______for London on business upon my arrival，so I didn’t see him

Peter was admitted to a second－class college.— He ________ a top university, but he was addicted to playing computer games.

Having many helpers makes a task easier and faster to finish.- I think so_______.

He had been ill for a long time and ______ he was left behind in his work [ ]

If you leave the club, you will not be _____back in. [ ]