题目内容
He is ___new comer to ___ chemistry but he has made a few important discoveries.
A./, / | B.a, / | C.a, the | D.the, the |
B
解析
练习册系列答案
相关题目
题目内容
He is ___new comer to ___ chemistry but he has made a few important discoveries.
A./, / | B.a, / | C.a, the | D.the, the |
B
解析