——According to the weather report,the temperature tomorrow will rise up__________22 de.
grees centigrade.
——0h,it’s quite hot__________December.
A.to;for B.at;in C./;in D.by;for
参考答案:
答案解析:
I think___________knowledge of the Internet is___________mus
I think___________knowledge of the Internet is___________must in our work today.