Scientistssayitwillbeafewyears
来源:语文精选馆 2.53W
问题详情:
Scientists say it will be a few years ______ it is possible to test the new medicine on patients.
A. because B. after C. since D. before
【回答】
D
知识点:连词
题型:选择题
问题详情:
Scientists say it will be a few years ______ it is possible to test the new medicine on patients.
A. because B. after C. since D. before
【回答】
D
知识点:连词
题型:选择题