题目10.College students are expected to __ a second langiage.-|||-A.attend B.adjust C.master D.suppose题目解答答案C. master解析本题考查动词辨析。句意为“大学生被期望精通第二门外语”。选项中,A. attend 参加;B. adjust 适应;C. master 精通;D. suppose 猜想。根据句意,正确答案为C。