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
本题考查时态。根据句意“Danny已经努力了很长时间来实现他的梦想，现在他受欢迎了。”可知用现在完成时，故选C。
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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
本题考查时态。根据句意“Danny已经努力了很长时间来实现他的梦想，现在他受欢迎了。”可知用现在完成时，故选C。