What’s the matter with John He has been sittingthere for hours—A postcard from his father _____ an attack ofhome-sickness in him

_____ he is the son of’ the boss, he started from the lowest position as a common employee.[ ]

We didn’t find the Blacks during the lecture.— No one had told them about _____ a lecture. [ ]

When ________ later what the call was about, your friend always answers, “Oh, nothing really”

I don’t know _______________.