英语Sheis____newcomerto____chemist
She is ____ newcomer to ____ chemistry,but she already made some gress. A.the;the B.the;/ C.a;/ D.a;the
C. newcomer是个可数名词,而且是第一次出现,前面应该是不定冠词a，类似于I am a teacher.而chemistry是表示学科的名词，前面不需要加任何冠词，例如:He is good at physics.