已知最外层电子数相等的元素原子具有相似的化学性质。氧元素原子的核外电子分层排布示意图为下列原子中,与氧元素原子的化学性质相似的是( )
The children loved their day trip, and they enjoyed the horse ride ______.
Progress______ so far very good and we are sure that the work will be finished on time.
Charles was alone at home, with_______ looking after him.
It is often ______ that human beings are naturally equipped to speak.
I can’t leave. She told me that I ______ stay here until she comes back.