The star has been playing basketball ______ he was a boy.A、duringB、whenC、since

游客2023-09-25  27

问题 The star has been playing basketball ______ he was a boy.

选项 A、during
B、when
C、since
D、as

答案 C

解析 本题考查连词的用法。主句为现在完成进行时。故选C。
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