6.She is ____newcomer to ____chemistry but she has already m

題目：

6.She is ____newcomer to ____chemistry but she has already made some important discoveries.
A,the,the,B,the /,C.a,/,D.a,the
Alexander Graham Bell invented _______telephone in 1876.
A,/.B,a C,the,D,one.

解答：

D
C