【简答题】board estimate figure imagine meaning mysterious mystery object present(v.) pronounce stare weigh Jane had to say goodbye to her friends when it was time to ________________ the train.
【简答题】board estimate figure imagine meaning mysterious mystery object present(v.) pronounce stare weigh How life began on Earth is one of the great ________________ science.
【简答题】board estimate figure imagine meaning mysterious mystery object present(v.) pronounce stare weigh Look, there is a strange __________________ in the sky!