She went to American two years ago .She ____there for half a year and then went to Japan.
#101845
A
would work
B
worked
C
would be working
D
has been working
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(2013·高考重庆卷)I felt very tired when I got home,and I________straight  to bed.
#99707
A
go          
B
went
C
had gone
D
have gone
Three fourths of the homework _______ today.
#103523
A
has finished
B
has been finished
C
have finished
D
have been finished