For most informal dinners，you should wear comfortable，______ clothes.
| A．fake | B．casual | C．gentle | D．curious |
34. She won’t be able to come next week, because she_________herself in Mount Tai then.
| A．enjoys | B．will be enjoying | C．is enjoying | D．Enjoyed |
33. When a student asks_________it is worth staying up doing their lessons, a teacher may find it difficult to answer.
| A．that | B．what | C．whether | D．How |
32. ____from Adelaide to Darwin and you’ll observe some of Australia’s most beautiful landscapes.
| A．Traveling | B．To travel | C．Traveled | D．Travel |
31. It is in the year of 2010 a severe drought hits Yunnan province.
| A．until | B．that | C．before | D．When |
30.Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou________yet.
| A．hadn’t come | B．won’t come | C．hasn’t come | D．didn’t come |