on your study, and you will make greater progressA. ConcentratingB. If you concentrateC.

发布时间：2020-08-16 18:54:56

     on your study, and you will make greater progress．
A. Concentrating
B. If you concentrate
C. Concentrate
D. To concentrate

网友回答

A. Concentrating
B. If you concentrate
(答案→)C. Concentrate
D. To concentrate
解析：考查动词形式。本题考查祈使句 + and + 陈述句结构，故选C。
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