Black broke his leg. He has just had_______X-ray examination. _______ doctor said he needed _______ operation.

.My parents ____ in HengshuiThey were born there and have never lived anywhere else

Is it good to look up every new word when I come across it in reading?—No，you _____，because you are likely to guess the meaning from the context,

e another wonderfuldiscovery, _________ of great importance to science.

Did Liu Ming do a good job in the competition— Yes, he did everything___________.