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31. -Would you like to join me for a quick lunch before class?

　 -_____ , but I promised Nancy to hang out with her.

A. I’d like to　 　　　　 B. I like it　 　　　　　　　 C. I don’t　 　 　　　　　　 D. I will

30. This morning it was much too late to ride a bus to school; _____, I called a taxi.

A. luckily　　　　　　　　 B. however　　　　　　　　　 C. therefore　　　　　　　　　 D. indeed

29. -Mom, I saw Tom cheating in the English test again.

-Again? How come he could _____ it this time?

A. get away with　 　　 B. get close to　 　　　　　 C. get down to　 　　　　　 D. get rid of

28. Lang Lang appeared at Beijing Olympic opening ceremony, _____ in front of audience from all over the word.

A. performing　　　 B. performed　　　　 　　 C. to perform　　　　　　　　 D. perform

27. -Tom stayed up late into night, watching NBA.

-_____ he felt sleepy in class.

A. No doubt 　　　　　　 B. No way 　　　　　　　　　 C. No problem 　　　　　　 D. No wonder