单项选择题A.They do too many extracurricular activities. B.They tend to select less demanding courses. C.They take part-time jobs to support themselves. D.They think few of the courses worth studying.
单项选择题A.He had bribed the park keepers to keep quiet. B.People had differing opinions about his behaviour. C.The serious consequences of his doings were not fully realised. D.His behaviour was thought to have resulted from mental illness.