Question

He has found your pen．You ________ it on his desk yesterday． [　　] A． left B． have left C． forget D． have forgotten

Answer 1

答案：A
解析：

由“yesterday”可知应用一般过去时，排除B．D项。又因为“把某物忘在某地”用leave sth.＋介词短语，而不用forget，故选项A正确。