“12366”服务热线有几种咨询方式?
参考答案:
纳税人和社会公众拨打“12366”服务热线可以通过电话、语音留言、传真、电子邮件等多种形式,进行涉税咨询、投诉、举报等。
---Sorry, sir. I can't answer this question.
---Well, you are supposed ______ this part of history.
A.reading
B.to be reading
C.to read
D.to have read.
亚硫酸是二元酸、中强酸,很稳定。