【单选题】I had some problems _____ my homework.
【单选题】I had some trouble ___my homework
【单选题】I was too late to pick up my uncle at the airport because I had to finish some schoolwork.
【多选题】财政政策是通过一定方式发挥作用的。按调节经济周期的作用,财政政策分为( )。
【判断题】地形图等高距应根据比例尺的大小和地面起伏情况选定。
【判断题】地形图等高距应根据比例尺的大小和地面起伏情况选定
【单选题】I turned down his invitation to the party since I had to finish my homework that night.