问题

One night all of his ________ signs began to drop sharply and the head teacher, who believe in the concept that no one should die alone, began to call his family members to the hospital. [ ]

A: common
B: obvious
C: vital
D: ordinary

正确答案是：

同类题型

_______ John this week?—Yes.—Where _______ him?—In the library

He wrote a long moving poem _________ Qian Xuesen who is known as “ Father of Chinese Rocketry.”

ust seen no more than one copyof" Gone with the Wind"in the bookshop opposite Tom, go andbuy______ back

It was not until I came here ____ I realized this place was famous, for not only its beauty but also its weather.

I can’t buy this coat, because it is _______ expensive.