问题
选择题
A lot of books about education ______ in the last few years. [ ]
A. have come out
B. are coming out
C. came out
D. have been come out
答案
答案：A
搜题请搜索小程序“爱下问搜题”
A lot of books about education ______ in the last few years. [ ]
A. have come out
B. are coming out
C. came out
D. have been come out
答案：A