—Can you describe _____ it happened?
—Yes, I was riding on my bike _____ a car knocked me down from behind.
A.when; as | B.how; as | C.how; when | D.how; while |
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—Can you describe _____ it happened?
—Yes, I was riding on my bike _____ a car knocked me down from behind.
A.when; as | B.how; as | C.how; when | D.how; while |