When I try to understand that prevents so many Americans from being as happy as one might expect, it seems that there are two causes.
| A．why it does | B．what it does | C．what it is | D．why it is |
相关试题
34. She did not take the advice that she ___ at rush hour, so she got lost.
| A．not travel | B．did not travel | C．should travel | D．goes traveling |
33. There _____ be any difficulty in passing the oral test since you have practiced a lot in the school.
| A．mustn’t | B．shan’t | C．shouldn’t | D．needn’t |
32. The man had expected to see all his relatives when in hospital, but _______ came to see him while many of his friends offered him their help.
| A．none | B．no one | C．someone | D．Anyone |
31. Due to circumstances ____ our control the performance has had to be cancelled.
| A．above | B．within | C．beyond | D．over |
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