____ ____ ____after class.
Lucy hurried to school.She didn't have breakfast.(合并为一句)
Lucy hurried to school____ ____ .
甲、乙两只相同的水杯,甲杯50克糖水中含糖5克;乙杯中先放入2克糖,再放入20克水,搅匀后,( )中的糖水甜些.
0.00100精确到____ 位(或精确到____),有效数字是____ ;