.If you want to be thinner and healthier, you’d better eat_______food and take______ exercise.

Dad, why not ______ having noodles instead of dumplings— Good idea. I’ll get for you.

She brought with her three friends, none of I had ever met before.

The Yellow river is the second ______ river in China.

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