You can never expect to learn something       you study hard.

A. unless             B. after                C. if               D. when

You can never expect to learn something       you study hard.

A．unless        B．after           C．if          D．when

（2010·安徽合肥高三第一次教学质量检测） 22. You can never expect to learn something       you study hard.

A. unless       B. after         C. if      D. when

136.（2010·安徽合肥高三第一次教学质量检测） 22. You can never expect to learn something       you study hard.

A. unless       B. after         C. if      D. when