a mark _____ you have any questions.这里除了用where能不能用when?

a mark _____ you have any questions.这里除了用where能不能用when? Please make a mark where you have any questions 翻译‘where you have any questions,you better make a mark’ You’d better make a mark where you have any questions. you'd better make a mark at which you have any questions.为什么 Please make a mark __you have any questions 31、When I read a book,I like make a mark _____ I have any qu Do you have _____ questions to ask me A.some B.any C.the D.a these have not had any effect这里为什么用these呢?能不能用this.these指的是J Make a mark _____ you have a question. if you have any questions 其中any questions对吗 为什么不能用When (have) you (ridden) a horse 而要说when( did )you( ro