. Tom as well as his classmates __________ a song when the teacher came into the classroom.
#103734
A
are singing
B
were singing
C
is singing
D
was singing
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Mary ___________to see you.She._________ for you downstairs at the moment.
#104816
A
has come;is waiting
B
came;is waiting
C
has come;waited
D
came;was waiting
Catherine came home happily, which suggested that she        the final exam.
#102510
A
had passed
B
pass
C
would pass
D
should pass
---- Are you still a teacher? ---- No, I____ in Harbin No. 3 High School for five years.
#102428
A
worked
B
have worked
C
have been working
D
had worked