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—______ has Liu Xiang taken part in world competitions?
?I¡¯ve no idea. Let¡¯s find it out on the Internet.
A. How many times
B. How long
C. How soon
D. How much
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ÌâÄ¿ÄÚÈÝ
—______ has Liu Xiang taken part in world competitions?
?I¡¯ve no idea. Let¡¯s find it out on the Internet.
A. How many times
B. How long
C. How soon
D. How much