17.I was very tired.Otherwise, I_ the theatre with you for the new film.

28.We had the machine_just now.

64. 大多数人相信因特网的益处多于问题。

63. 不管发生什么 , 他们都将完成这个试验。

19.If you are walking away from a clock tower, you will hear the ticking of the clock fade to point_it cannot be heard.

18._before we leave the day after tomorrow, we should have a wonderful dinner party.

27.I have no choice but_his invitation.

23.Jack worked late into the night, _he had not finished even half of the job.

33.She missed the train because she had been_the traffic jam.

29.This stick is_that one.

22.When Mr.Smith got there, he found that about_of his friends had arrived.

66.The Duanwu Festival, also called the Dragon Boat Festival, is to commemorate the patriotic poet Qu Yuan.Qu Yuan was a loyal and highly esteemed minister, who brought peace and prosperity to the state but ended up drowning himself in a river as a result of being vilified.People got to the spot by boat and cast glutinous rice dumplings into the water, hoping that the fishes ate the dumplings instead of Qu Yuan’s body. For thousands of years, the festival has been marked by glutinous rice dumplings and dragon boat races,especially in the southern provinces where there are many rivers and lakes.