【单选题】She is _____ careful girl ______ she hardly makes mistakes in the exam.
【简答题】A.Because she is ill. B.Because she is cold. C.Because she likes buying heavy coats in summer. D.Because heavy coats are cheap in summer.
【简答题】A.She should be careful about how to spend her money. B.She should not buy the brown suit. C.She should think carefully when she wants to buy the brown suit. D.He would help her to buy the brown suit.