题目

.  We separate the waste in our classroom to make it ________ . A  to  reuse  B  reusing  C  reuses   D  to be reused 答案：DPlaying on the football pitch ____________________.A.some students are with their P.E. teacherB.their P. E. teacher is with some studentsC.some students with their P. E. teacher areD.are some students with their P. E. teacher