摘要： It is generally considered unwise to give a child he or she wants. A.however B.whatever C.whichever D.whenever
网址：http://m.1010jiajiao.com/timu_id_2825096[举报]
Jack ________ yet, otherwise he would have telephoned me. (NMET 1997)
[ ]
A．mustn't have arrived
B．shouldn't have arrived
C．can't have arrived
D．needn't have arrived