Ⅱ.短语天地 1. ______________日日夜夜,夜以继日地 2. ________________不时地,偶尔地 3. ______________给某人打电话 4. ______________实施,执行;落实,完成;做(实验) 5. ______________决定,确定
day and night from time to time call sb up carry out decide on