单项选择题
A. Because she thought the work wouldn’t take long. B. Because she thought the work wasn’t hard to do. C. Because she didn’t think the boss would let her go.
A. birds and parasites B. birds and sheep C. parasites and sheep D. sheep, birds and parasites
A. Had a fever, felt thirsty and couldn’t sleep well. B. Had a bad cough and couldn’t sleep well. C. Had a toothache.