问题
选择题
The rubbish _____ every day is becoming a serious problem in cities around the world. [ ]
A. produce
B. produced
C. producer
D. producing
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The rubbish _____ every day is becoming a serious problem in cities around the world. [ ]
A. produce
B. produced
C. producer
D. producing
答案：B