Everybo的精选

问题详情：—Whowillberesponsiblefortheseriousairpollution?—Everybodyshouldtryhisbesttoprotecttheenvironment___itistoolate．A．after       B．until      C．when   D．before【回答】D知识点：连词题型：...

问题详情：Wedidn’tstartourdiscussion                      everybodyarrived.A.since            B.if               C.while            D.until...