【语法专练】 一、用所给的适当形式填空。 1.Could you tell me if it (rain)tomorrow? 2.The teacher told his students the sun (rise) in the east. 3.Peter knew why the boy (have)so many questions. 4.Mike asks Tony how long he (be)in Beijing since then. 5.Bruce says that he (can)come at 9:00 the next day.