根据句意和中文注解填单词Thekeys（在...上）thedeskaren'tSally's我想问的是，要不要介词。比如areonthedeskaren'tSally's?

Question

根据句意和中文注解填单词
The keys【 】（在...上）the desk aren't Sally's
我想问的是，要不要介词。比如 are on the desk aren't Sally's?

Answer 1

on只要填on,不需要are因为后面on the desk是做the key的后置定语,本身不是句子,所以不需要动词the key aren't sally's(on the dest)修饰the key的位置,去掉本身句子也通,钥匙不是sally的,加上去只是补充说明桌上的那...