I first met Lisa three years ago. She ________ at a radio shop at the time. 
#36891
A
worked
B
was working
C
has worked
D
has been working
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There _______ an English Party in our class next week.
#37463
A
is going to have
B
is going to be
C
will have
D
will has
--- Where is Mike now?--- Look! He _______the classroom.
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A
cleans
B
cleaning
C
is cleaning
D
to clean
Mary with her sisters ________ Chinese in China.
#42691
A
are studying
B
have studied
C
is studying
D
study