You have made a few mistakes in your position but you have done well.
A. on the whole
B. first of all
C. on the other hand
D. in a word
网友回答
(答案→)A. on the whole
B. first of all
C. on the other hand
D. in a word
解析：词义辨析。on the whole 大体上；. first of all首先，最重要的是；on the other hand 另一方面；in a word总之。一句话。句意：你的作文中有几处错误，但大体上写的很好。选A.