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
.C。
表示从过去一直待续到现在的一段时间，要用现在完成时。
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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
.C。
表示从过去一直待续到现在的一段时间，要用现在完成时。