He wouldn’t leave the TV set, ______ he was going to have an important exam the next day.
He smiled politely ________ Mary apologized for her drunken friends.
—Coach,can I continue with the training?—Sorry,you can’t________you haven’t recovered from the knee injury.
I had hardly got to the office________my wife phoned me to go back home at once.
Please call my secretary to arrange a meeting this afternoon,or________it is convenient to you.
He was so deep in thought,thinking of the problem ________ he knocked into the tree without noticing it.