为什么是 at the breakfast time

Tom usually gets up early in the morning.He h_ breakfast at seven.He has bread and milk f_ breakfas填空补充 为什么是waiting at the bus station 为什么是 at the breakfast time The birds sat upon a tree ,and poured forth their lily of sound .So ,hope is a perfect breakfas请准确的翻译为中文 The boy is swimming at the pool.为什么是at the pool?用in the pool The boy sat at the desk with his hand raised 为什么是raised为什么是ed 根据首字母填空Then I have breakfas .N( ),at seven o'clock I bought this book at the big bookstore across the street.为什么是AT 不是IN? they spend hours looking at the best price at the item they want为什么是at the item they want而不用for the item they want 正切线为什么是AT On a snowy night为什么是on不是at the night或者in the evening吗 sing the song ___-the piano on with at to选哪个?答案为什么是 to do you remember the question coming up at the meeting为什么是coming up we enjoyed ourselves at the party 同义句转换为什么是 we had a good tim at the party the man is skilled at repair the machine?为什么是 repair 而不是 repairing,不是be skilled at doing吗 Time for breakfas是什么意思 为什么是两个不同的介词1.the British Ambassador at Tokyo2.the Chinese Ambassador to Great Britain为什么是at 和to不是同一个介词 doing sth is important为什么是DOING?arriving at the airport early is important.studying english is important为什么是doing arrive at the airport 不行吗