He appears to be strong and healthy but, __________ he suffers from a weak heart.
_______ giving a general introduction to computers, the course also provides practical experience.
Jack wishes that he _____ all related facts into consideration before he made the decision.
So hard was the woman’s life, but to her _____ , her only son was admitted to a top university last year.
You said his lecture was instructive, but I don’t think it ___ any sense.
Judging from his __ look, I can say Mr. Li is ___ at our arrival at this time.