had to be built为啥加had?
had to be built.built不是v吗?为什么在be后
had to be hard for
I had to shout to be heard.
She had to be in hospital
she had expected the exam to be
If I had to choose, David would be the better choice.为什么要加th
had batter后可不可以加 to do
IF a sentence had "had had" had had "had had",it would be co
It had been built with remarkable speed.
he Hindenburg had been built to compete with the great luxur
A site had to be found for it._____ had to be found
if it had to be that way,well that's how it had to be!