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

Mr. Bill always makes his class very lively and interesting. — You are right. No one teaches ____.

My school bag is larger than _________.

Liu Xiang is ____ popular ____ many students are talking about him in and out of school.

We didn’t find the Blacks___________the lecture. —No one had told them about___________a lecture the following day.