—What were you doing at 8:00 last Sunday?
—I ______ rubbish with my classmates by Zijiang River.
A.picked up
B.am picking up
C.was picking up
—What were you doing at 8:00 last Sunday?
—I ______ rubbish with my classmates by Zijiang River.
A.picked up
B.am picking up
C.was picking up
试题篮
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