－I want a room for 20 people to have a birthday party．一Unlucklly there is no one       

Calculations，which are astronomically exact，have been made ________ with the use of computers.

--Why did she spend so much time searching shop after shop only for a blouse?  --Oh, she was very __________ about her clothes. 

I almost didn’t recognize Jane when I came across her in the street. She had become so _____ after losing twenty pounds .

The old .engineer’s eyes still shone bright in the wrinkled brown face and his step as he came across the room was________，though slow.