【简答题】Practice 2 Which sentences are in the Present / Past tenses? Turn each of the above sentences into a negative, then into a question. 1. I study architecture. 2. I worked as a secretary ....
【简答题】I started studying kids and s in all kinds of 1 . And in every study my question was who is successful here and why. My research team and I went to 2 , we tried to 3 which cadets( 学员 ) would stay...