---ThestudentsofGrade9inChangchunhavetotakepartintheP.E...
问题详情:
---The students of Grade 9 in Changchun have to take part in the P.E.test from 2016.
---Yes.________ you want to pass it and be stronger,practice more.
A.until B.if C.unless D.or
【回答】
B
知识点:连词
题型:选择题