.--- Excuse me. Is this the right way to the Summer Palace? --- Sorry, I am not sure, but it _____ be .
33. - How about going to a concert this weekend? - ______? It's a few months since I enjoyed myself in the last one.
32. - He failed his exam again. - But what did you _____? Had he ever been working hard?
31. If you are looking for somewhere to rent, I think there's a(n) _______apartment in my building.
30.-Jane is always lying. - So it’s no wonder that she has no one to ________.
29. It's reported that the price of that building, which you were looking forward to buying, has risen ______ a further 600 yuan a square meter.