（ ） if I had arrived yesterday without letting you know beforehand?
（A）Would you be surprised
（B）Were you surprised
（C）Had you been surprised
（D）Would you have been surprised
David didn’t attend his daughter’s graduation ceremony, but he does wish he （ ） there.
（A）should be
（B）would be
（C）had been
（D）were
If the traffic （ ） so heavy, I could have been back by 6 o’clock.
（A）hadn’t been
（B）wasn’t
（C）couldn’t be
（D）hasn’t been
