A.why; that | B.why; because | C.which; because | D.which; that |
A.all of whom listened | B.all of whom listening |
C.all of them listened | D.all of them were listening |
A.Though | B.Unless | C.Now that | D.Even if |
A.Since | B.Unless | C.Once | D.While |
A.or | B.otherwise | C.but | D.and |
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