A terrible earthquake happened ______ the afternoon of March 11th, 2011 in Japan.[ ]

This book is for students to read.

______ is he?—He’s fifteen. [ ]

Excuse me. Where is Lily? —Oh, she _______ the volleyball match on the playground when I saw him just now.

Judy,you look so tired.—Yes, I didn’t go to bed ____ 12 o’clock last night. [ ]