短句改错（1）A friend of him went to America last week.（2）Did you work out it at last just now .在上面两个句子中,哪个部分是错误的（1）句中选项A.A friend B.him C.went to D.last week （2）A.Did B.work out it C.at last

短句改错
（1）A friend of him went to America last week.
（2）Did you work out it at last just now .
在上面两个句子中,哪个部分是错误的（1）句中选项A.A friend B.him C.went to D.last week （2）A.Did B.work out it C.at last D.just now
(3)I can play ()piano well,but Icannot play ()chess well.
A.the,the B./ the C./ / 还是有其它说法

B.him -his他的朋友,
B.work out it -work it out 代词放中间
the /
play the piano play chess
弹钢琴,下棋,都是固定说法