It is important to keep in mind that all memory aids depend on the creation of a peg, or mental picture, in which to hang something we want to recollect.
Ato keep in mind
Bdepend on
Cin which正確答案
Dwe want to recollect
答案與詳解
peg 意為掛鉤,物品應掛在掛鉤上,故介系詞應使用 on,正確寫法為 on which to hang,此處 in which 為錯誤用法,為本題應選之答案。
