My friend Martin was seriously affected by a strange fever; _____ , he could neither eat nor sleep.
The man we followed suddenly stopped ad looked as if ______whether he was going I the right direction.
—I want to go to the library but I am afraid I am not in the right_____. —_____. Go ahead.
—Would you rather come on Friday or Saturday? —_____.
—Did you look up the time of trains to Shanghai? —Yes, the earliest train is _____to leave at 5:30 am.
--Did Mary come to your birthday party? --No. I __________ her, but she was away on business.