作业帮 > 英语 > 作业

SAT 真题语法问题While studying mutations in corn,biologist Barbara

来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/07 03:37:38
SAT 真题语法问题
While studying mutations in corn,biologist Barbara McClintock discovered that certain genes that were able to move their positions on chromosomes and control the activity of other genes.
A that were able
B that had been able
C were able
D able
E to be able
为什麼不是C呢?
SAT 真题语法问题While studying mutations in corn,biologist Barbara
要么lz看错了要么答案给错了,C是对的,选B的话从句没有谓语
现在分词做状语的问题— The woman biologist stayed in Africa studying wi SAT 2006.1真题语法问题 SAT真题语法问题请教! SAT语法真题求解!Angel DeCora began studying art at Smith College a SAT语法题 2006.1真题 SAT语法求解 2011.5真题 一道 SAT 真题的语法 SAT语法真题求解!1.(A significant factor)A to include in the budget sat 语法挑错题Studying the language and culture of a foreign coun SAT语法题当中的问题 SAT语法问题 HELP! sat 语法改错问题.