The reason why he didn’t attend the meeting is    he stayed up late last night.

 The reason why he didn’t attend the meeting is    he stayed up late last night.

A. because   B. what    C. for    D. that

The reason why he didn’t attend the meeting is    he stayed up late last night.

The reason why he didn’t attend the meeting is______ he _______ late last night and didn’t get up until ten o’clock this morning.

A. because; stayed in                    B. why; stayed out       

C. for; stayed away                     D. that; stayed up