Joy _______ as a language teacher in China for two years before she went back to London.
#100858
A
had worked
B
was working
C
worked
D
has worked
推荐题目
The roads have ______ because of people’s dependence on cars.
#102583
A
jammed
B
been jamming
C
to jam
D
been jammed
No decision __about any future appointment until all the candidates have been interviewed.
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A
will be made
B
is made
C
is being made
D
had been made
 Tony ______ his homework this morning before he went to school.
#102974
A
has done
B
did
C
has done
D
will do