Here is the bulletin board of Class 3. Some of the students put their notes on it. Please read them and answer the following questions.

小题1:The Chinese meaning of "bulletin board" is _______.

A．电影广告

B．寻人启事

C．公告栏

D．通缉令小题2:According to the notes on the bulletin board, what holiday might be coming?

A．Christmas

B．Halloween

C．Thanksgiving

D．New Year's Day小题3:When Julia is busy, what does Alex always help her do?

A．To do math homework.

B．To clean the windows.

C．To have P. E. class together.

D．To take books to school.小题4:From the bulletin board, we know that Mr Chen is a ___________.

A．repeater

B．P.E. teacher

C．doctor

D．pilot小题5:Why does Bill lend books to Mario?

A．They are classmates.

B．Miss Li wants him to do so.

C．Bill has too many books.

D．Mario forgot to bring his books to school.