His parents are very concerned about his son at school because he moving in his
来源：网络
时间：
推荐文章
His parents are very concerned about his son at school because he _______moving in his seat
A.is always keeping
B.always keeps
C.does keep
D.has always kept
试题答案
A
考查时态;进行时和always连用，表示埋怨或赞扬的语气，句意是：父母很担心在学校的儿子，因为他总是在座位上动来动去。显然这里带有不满的语气。选A。