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
推荐题目
 Please don’t phone him between 1 and 3 p.m. tomorrow. He _________ a lecture then.
#100160
A
has delivered
B
has been delivering
C
will be delivering
D
delivers
Computers ____ in offices and homes since 1970s. 
#100256
A
have been used
B
had been used
C
was used
D
has been used
Stefan ________ from heart attack for more than ten years, but now he’s healthy and energetic.
#100871
A
had suffered
B
suffered
C
has suffered
D
has been suffering