一道英语的句型转换
问题描述：
一道英语的句型转换
Was thewatchmadein shanghai ?Idon't know.
Idon't know _______thewatch _________made inshanghai. ╯﹏╰急~~~~~~
答
whether/if was,即我不知道这个表是否是上海制造.
whether也可以用if代替,表示是否.