_____ when the light went on last night?
#37783
A
What were you doing
B
What have you done
C
What did you do
D
How were you doing
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There           a film tomorrow night.
#40153
A
have
B
is going to have
C
will have
D
is going to be
---What ______ the forest of Yangzhou in the last 30 years?---Yangzhou has become much greener.
#39620
A
has happened to
B
was happened to
C
has happened at
D
is happening
—Why, Jack, you look so tired!---Well, I _____the house and I must finish the work tomorrow.
#41924
A
was painting
B
will be painting
C
have painted
D
have been painting