Have you watched the TV report about MERS—Yes, it’s _________ new dangerous disease（疾病）.

I forgot all about Jenny because my wife hurried towards me _____ I went outside. [ ]

____________ the situation, Charles Yerkes undertook____________ the system in 1902 by obtaining ownership of many different lines.

There are ________ approaches to English teaching. But not all of them are equally efficient for our Chinese students. [ ]

They went to the concert _____ bad weather[ ]