【题目】Cloning plants is s(直接的) while cloning animals is very complicated.
在线课程【答案】straightforward
【解析】be动词后,用形容词作表语。所以填straightforward
编辑:chaxungu时间:2026-04-27 03:02:11分类:高中英语题库
【题目】Cloning plants is s(直接的) while cloning animals is very complicated.
在线课程【答案】straightforward
【解析】be动词后,用形容词作表语。所以填straightforward