52单词网 > 高中英语 > 高中英语题库 > Only in the past 50 years, with the revolution in diving equipment, study deep s

Only in the past 50 years, with the revolution in diving equipment, study deep s

来源：网络 时间：

推荐文章

及用英语怎么说短语
热度：
-How long have you been in the room? - Just a few ...
热度：
钱用英语怎么说
热度：
With so much noise outside, the students can’t th...
热度：
Kelly loved her husband the fact that he drank too...
热度：
Only in the past 50 years, with the revolution in diving equipment, study deep s

Only in the past 50 years, with the revolution in diving equipment, ________ study deep seas closely.

A.were scientists able to

B.have scientists been able to

C.would scientists be able to

D.will scientists be able to

试题答案

B

标签：equipmentdivingrevolutionseasdeep

相关推荐

相关热搜

猜你喜欢