The mascot (吉祥物) Haibao, full of meanings from foot to head, has become the lucky symbol and cultural _________ of Shanghai Expo.
36. I think they’ve got to the very point _______ a change is needed, or they will fail.
35. Thecleverboymadeaholeinthewall,____hecouldsee____was goingoninsidethe house.
34. He had no sooner arrived there ________ pestering his doctor.
33. While shopping, people sometimes can't help _______ into buying something they don't really need.
32. With no one to ______ in such a frightening situation, she felt very helpless.