在牙面最早定居的细菌主要是（）
A.变形链球菌
B.韦荣菌
C.奈瑟菌
D.血链球菌
E.米勒链球菌
参考答案：D
Would you mind me how this math problem ?
A．telling, to solve
B．telling, solve
C．to tell, to solve
D．to tell, solve
He hardly had anything to eat, （） he
A. didn't
B. hadn't
C. had
D. did
