I’ve just seen no more than one copy of“ Gone with the Wind”in the bookshop opposite. Tom, go and buy ________ back.
| A．one | B．any | C．it | D．some |
30.Little__ that we were watching his every move, so he seemed to be going his own way in this business.
| A．he realized | B．he didn’t realize | C．did he realize | D．didn’t he realize |
29. The nutrients in _____falls into the ocean will quickly become available to other living creatures.
| A．whichever | B．that | C．whatever | D．Wherever |
28. I don’t think you’ve quite___the seriousness of the situation. You seem to know nothing about it.
| A．recognized | B．mastered | C．grasped | D．Seized |
27. Mr. Bush is on time for everything. How ________ it be that he was late for the opening ceremony?
| A．can | B．should | C．may | D．Must |
26. The fantastic passenger ship sank with 2,500 passengers on board on her first _____.
| A．trip | B．travel | C．journey | D．Voyage |