问题
选择题
Danny _____ hard for long to realize his dream and now he is popular. [ ]
A. works
B. is working
C. has worked
D. worked
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Danny _____ hard for long to realize his dream and now he is popular. [ ]
A. works
B. is working
C. has worked
D. worked
答案：C