His colleagues gave him a present when he retired.
A. He was given a present when he retired.
B. A present was given by his colleagues when he retired.
C. He was given a present by his colleagues when he retired.
Chọn đáp án C
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Scientists have not produced a miraculous drug which can SIDA a miraculous drug_____
They report that over 200,000 people were killed in the tsunami.