{01} volleyball is her main focus, she’s also great at basketball.
A.Since
B.Once
C.While
D.Unless
解析: 试题分析:句意:虽然排球是她的主攻方向,但是她篮球也很擅长。A. Since既然、因为;B. Once一旦; C. While虽然、尽管;D. Unless除非。根据语境,选C。 考点: 考查状语从句的连接词的用法。 本题选C。 {02} He has been in bed ______ he fell off his bike a week ago.
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