Although SPanish， he attended the course.
C
「句意」虽然只懂一点西班牙语，但他还是参加了这个课程的学习。
「难点」know是静态动词，不能用于进行时;选knows从句中又缺少主语。knowledge作“知识”讲时是不可数名词，但作“了解”讲时，前面可加“a”，常用于词组haveraknowledgeof中，所以选C)。
_____ if I had arrived yesterday without letting you know beforehand.
A leading ___________ intelligence and operations company has released its analysis of worldwide reported incidents of piracy and crime against mariners.
Of course，（）most immigrants did not get rich overnight ， but the of them were eventually able to improve upon their former standard of living.
There_____nothingmorefordiscussion,themeetingcametoanendhalfanearlier.