Question

You must remember _______ the window before you leave.

A．closing	B．close
C．to close	D．closes

Answer 1

C

试题分析：句意：在你离开之前，你一定要记着关窗户。根据短语remember to do sth. 记着要做某事，表示此事未做；remember doing sth.记着做过某事，表示此事做过。结合句意，未关窗户，记着去关，故选C。