_____ I had seen him yesterday at the airport!
A. If
B. If only
C. Only if
D. Since
参考答案:
(2013·湖南高考)He ________ sleep, although he tried to, when..
(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.A.wouldn'tB.shouldn'tC.couldn'tD.mustn't