52单词网 > 高中英语 > 高中英语题库 > Scientists say it will be five or six years it is possible to test this medicine

Scientists say it will be five or six years it is possible to test this medicine

来源：网络 时间：

推荐文章

We'll go to the places the people need us most.A.w...
热度：
7-3=4英语怎么说
热度：
That Was the first time she alone at home during t...
热度：
法师早安英语怎么说
热度：
阿姨表亲用英语怎么说
热度：
Scientists say it will be five or six years it is possible to test this medicine

Scientists say it will be five or six years ________ it is possible to test this medicine on humans．

[]A．

after

B．

before

C．

since

D．

when

试题答案

答案：B

标签：orfivesixisyears

相关推荐

相关热搜

猜你喜欢