( ) Scientists say it may be a few years it is possible to test the new medicine on patients. ——青夏教育精英家教网—

摘要：( ) Scientists say it may be a few years it is possible to test the new medicine on patients. A. because B. after C. before D. since 2010各地中考英语真题分类汇编--名词代词冠词连词

网址：http://m.1010jiajiao.com/timu_id_3619454[举报]

Scientists say it may be a few years _____ it is possible to test the new medicine on patients．

A. because B. after C．before D. since

查看习题详情和答案>>

Scientists say it may be a few years ______it is possible to test the new medicine on patients.

A.because B.after C.before D.since

查看习题详情和答案>>

试题分类