After the quake, the whole city lay in ____ ruins. However, with all the efforts, ________ new Tangshan was born.
Scientists study ___________ human brains work to make computer.
A girl on the bus begin to sing a pop song and soon all the other students _________.
---Why were you late for school today?----It was ________ I help catch a thief on the bus.
To tell the truth, it’s the first time that I _______ western food.
I have the details _________ here in my notebook , which you can refer to.