64. Can another way be thought of to keep your wine or water warm?(改为主动句)

　Can _______ _______ _______ another way to keep your wine or water warm?

63. John was seen to cross the street just now by someone.(改为主动句)

　Someone _________ John _________ the street just now.

62. A birthday party will be given tomorrow. (改为主动句)

　We _________ _________ a birthday party tomorrow.

61. They built a bridge between the two islands last year. (改为被动句)

　A bridge ________ ________ between the two islands last year.

60. They produce silk in Suzhou.(改为被动句)

　Silk _________ _________ in Suzhou.

59.The teacher made the students copy the text.改为被动句

　The students _________ _________ _________ copy the text.

58. You can borrow two books at a time.(改为被动句)

　Two books _________ _________ _________ at a time.

57. Where did they plant trees? (改为被动句)

　Where _________ trees _________?

56. We call maths the language of science. (改为被动句)

　Maths _________ _________ the language of science.

1. 主动语态与被动语态相互转换，每空一词(含缩写)。