问题

Tom. Why do you look so tired? — Because I often study late ______ 10 o’clock at night.[ ]

A: before
B: by
C: until
D:at

正确答案是：

标签： do , tom , why

同类题型

They finally arrived the farm a cold winter evening. [ ]

It is what you do rather than what you say __________ matters.[ ]

_____of the warm water _____already been used up.

Mo Yan, a famous Chinese writer,won the Nobel Prize for literature at the end of the year 2012.We learn that successthe person with a never-give-up attitude.

There is a bird ______ the tree. [ ]