你可能感兴趣的试题
still worked is still working was still working had been working
be … recent … working be … recently … working being … now … work being… recent … working
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
to resign ; to teach to have resigned; to teach to resign; to be teaching to have resigned; to be teaching
to have left to leave to have been left to be left
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
be, work be , working being ,work being, working
had been working; are still working had worked; were still working have worked; were still working have worked; are still working
to resign; to teach to have resigned; to teach to have resigned; to be teaching to resign; to be teaching
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
is working was working has worked had worked
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
to resign;to teach to have resigned;to teach to resign;to teach to have resigned;to be teaching
to have left to leave having left leaving
had been working; are still working had worked; were still working have worked; were still working have worked; are still working
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
be … recent … working be … recently … working being … now … work being… recent … working
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
had been working; are still working had worked; were still working have been working; have worked have worked; are still working
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