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
B: obvious
C: vital
D: ordinary
正确答案是：
同类题型
He didn’t go into detail on this subject; he spoke ________.[ ]
_____ he didn’t know the custom in that country; otherwise, he wouldn’t have made such a mistake[ ]
Shewas reported by the hospital spokesman _____ excellent progress
_________, I’d like to say thanks to all of your present
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.