(  )

A．It’s twelve o’clock.

B．It’s twelve thirty.

按规律用英语数字填空
1. one, ________, five, seven, ________
2. two, ________, ________, eight, ten
3. one, four, ________, ten, thirteen

用英文计算下列算式：One and nine is___________________.

根据图片选出正确的单词。   
（1）________
(one   two   three   four   five)    (chair   chairs)
（2）________
(one   two   three    four    five) (desk   desks)
（3）________
(six  seven   eight   nine    ten) (ruler  rulers)
（4）________
(five    six    seven    eight    nine) (book   books)
（5）________
(two   three  four   five six)    (boy  boys)

There are_________days in a week.(   )

A．six

B．five

C．seven