--Who _______ the Harry Potter series________ ?     -- J.K.Rowling.
#44425
A
did, be written
B
was, written
C
was, written by
D
did, be written by
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Lots of trees ________in our city over the years. It is becoming greener and greener!
#44811
A
are planting
B
have planted
C
will be planted
D
have been planted
I haven’t seen you ____________.
#44828
A
for two months
B
since three weeks
C
since last Monday ago
D
two days ago