I think _ is impossible for me to climb such a high mountain.A. it B. this C. that
There ___ a class meeting next week. Are you ready?
___ the afternoon of March 11, a serious earthquake (地震)happened in Japan.
Would you like ____ with me? I have two tickets for the film.
My father is in Beijing for a long time. I’m really looking forward ___ him.
I’m going ___ a picnic on Saturday.