(1) Is it an interesting novel? I don’t know. I don’t know if /whether it is an interesting. (2) Does Cathy go to school early? Do you know? Do you know if /whether Cathy goes to school early? 注意:只能用whether而不用if的三种情况如下: ①与or not...
we have multiple wars, we had Syria, we have Libya, we have examples of all forms of Western oppression and suppression, whether economic warfare, war, and Dirty War, all o...
⑷ whether 和if 均可引导宾语从句,whether引导的宾语从句一般都是肯定句,if引导的宾语从句可以是肯定的,也可以是否定的(此时不能用whether)。 如:Could you tell us whether/if it rai...
更多内容请点击：一模还剩12天,初中英语最重要语法点!从选择题到作文,冲刺必看—— 推荐文章