1. As far as I remember, most of last September was sunny and hot. But this might have been an exception and so my advice is that you___ some warm clothes with you.
A. might have taken
B. should take
C. oughtn't to take
D. should have taken
2. It is to claim, as some journalists do, that the accident was due to an extraordinary coincidence, and at the same time that___ we it.
A. might have prevented
B. could prevent
C. ought to prevent
D. were to prevent