---Tom keep your on your studiesSure mum. Ill keep that in.A. mind;mindB. heart;h

问题补充：

---Tom, keep your on your studies.

--- Sure, mum. Ill keep that in.

A. mind;mind

B. heart;head

C. brain; mind

D. heart;brain

答案：

(答案→)A. mind;mind

B. heart;head

C. brain; mind

D. heart;brain

解析： keep ones mind on sth专心做某事;keep sth in mind记住某事。