单项选择题
A.Three groups of learners. B.The importance of business English. C.English for Specific Purposes. D.Features of English for different purposes.
A.Because it was too heavy. B.Because it did not bend easily. C.Because it did not shoot far. D.Because its string was short.
A.The weather is mild compared to the past years. B.They are having the coldest winter ever. C.The weather will soon get warmer. D.The weather may get even colder.