The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
右图是某燃煤发电厂处理废气的装置示意图。装置内发生的主要反应中不含（）
| A． | 化合反应 | B． | 分解反应 |
C． | 置换反应 | D． | 氧化还原反应 |
