用括号中单词的正确形式填空
How many children _______(be) there in your class?
She _____(go) swimming tomorrow.
He _____(be) at school last Friday.
看图完成句子
Stand____!
在横线上写出相应的序数词
one ________
填空
Seventy _____ twenty is ninety.
看图填写英文单词
-- How much are the red shoes?
-- They are _____ yuan.
根据给出的回答完成下面的对话
-- ______ ______ children are there in your class?
-- There are thirty.
根据图示拼写单词
_______
-- What's fifty plus fifty?
-- It's one ________.
_______