Some of the students think that English learning should start early because little childr

问题补充：

Some of the students think that English learning should start early, because little children havegood memory, and they can learn many more words byheart.

A. a; 不填

B. 不填 ; the

C. a; the

D. 不填;不填

答案：

(答案→)A. a; 不填

B. 不填 ; the

C. a; the

D. 不填;不填

解析：本题考查两个固定短语的用法。has a good memory 记性好;能记住; learn sth by heart.用心记住。