1) If it had not been for the storm, we _____ much earlier. 
　 A) should arrive
　 B) would have arrived
　 C) had arrived
　 D) would arrive

2) If he _____ given some information, he could have answered the question. 
　 A) was
　 B) were
　 C) had been
　 D) were to be

3) Were I to do the work, I _____ it in a different way. 
　 A) had done
　 B) would have done
　 C) shall do
　 D) would do

4) If my mother were alive today, how happy she _____! 
　 A) would have been
　 B) is
　 C) would be
　 D) were

5) I should have been there by now if I _____ the train. 
　 A) had caught
　 B) caught
　 C) would catch
　 D) would have caught