问题补充:
-- The thread of my kite broke and it flew away.
-- I had told you it would easily break it was the weakest.
A. when
B. since
C. unless
D. where
答案:
A. when
B. since
C. unless
(答案→)D. where
解析:连词辨析。When当……时候; since自从……以来,由于;unless除非;where在哪儿。句意:我的风筝的线断了,它飞远了。——我告诉过你它非常容易断,那是最薄弱的地方。