——Who watered the flowers beside the window? ——Helen ____________.
#39452
A
Did
B
Do
C
did
D
does
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Please don't stand up in class until you          .
#39211
A
were told to
B
are told to
C
were told
D
are told
What ______ she ______ for vacation?
#41949
A
does,does
B
is doing
C
is do
D
are doing
______since he left his hometown.
#42036
A
Ten years went by
B
Ten years has passed
C
It is ten years ago
D
There are ten years