—Mom. I came first in the National Basic Skill Competetion.—Well done! ________.
—I don’t believe we _______ before. —Well, I saw you once at a party, but we ______ introduced.
I waved to Nancy, but she was ______ in her thoughts, and made no response.
You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
_______ in this way, the result seems unsatisfactory, so we’d better have another try.
. When he fell over his own feet, his left ankle was sprained, his right hand became ______ and his nose______.