______puzzled Li Lei a lot was ______his best friends didn’t come to school this morning. (2012-2013.安徽宿州十三校期中)
Please remind me in case I ______ forget.
The bridge ____ in the 1800’s was the oldest building in this village.
It was playing computer games that cost the boy plenty of time that he ______ spent doing his lessons.
Sarah hopes to become a friend of __________shares her interests.
--- Bob,are you free at the moment?I have to ask you some questions. --- _______.