为了检验溶液中是否有Cl-存在,最好选用下列物质中的( )
It is often ______ that human beings are naturally equipped to speak.
I’m sure that your letter will get______ attention. They know you’re waiting for the reply.
All the dishes in this menu, ______ otherwise stated, will serve two to three people.
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.