深圳市深港产学研环保:He had already posted the letter ____five yesterday.

He had already posted the letter ____five yesterday. “He had already posted the letter by five yesterday.”为什么要用介词"by"? HE HAD AN IDEA he had had......怎么连读 He can already _____(说) the time. Last week he had quite_____surprise. they hurried to the airport_____the plane had already taken off. IT had been ALREADY ELEVEN O'CLOCK What he did not____what we had expected. The bill he had long been opposed_____......