It had been built with remarkable speed.

It had been built with remarkable speed. he Hindenburg had been built to compete with the great luxur By 2011 the library_____.A.would been built B.had been built His average speed had been 301 miles per hour.句子成分 his average speed had been 299 miles per hour Do you know when it __?A,built B,was built C,has been built his average speed had been 301 这里面的been是什么 Sb had been said love as fly kite,It's very mind easier with Mary said it had been foolish with me to make such a blunder I would have a long talk with him if it had been possible,bu I had been impressed with her.翻译 Built it up with iron bars怎么连读