【正文】
Aknows Bknow Chave know Dis known ( )54. Threefourths of the surface of the earth _____ sea Ais Bare Cwere Dhas been ( )55. All but one _____ here just now Ais Bwas Chas been Dwere ( )56. A fork and knife _____ on the table Ais Bare Chas been Dhave been ( )57. Each boy and girl _____ a new book Aare given Bwas given Cbeing given Dwere given ( )58. The old _____taken good care of in our country Ais Bhas Care Dhave ( )59. More than one person _____ made the suggestion Awas Bhas Cwere Dhave ( )60. Half of the students _____ made the same mistake Ahas Bhave Cis Dare ( )61. _____good exercise AClimbing hills is BClimbing the hill is CThe climbing hill are DThe climbing of hill are ( )62. The first two questions were easybut the rest of them _____ not Awas Bwere Cbeing Dto be ( )63. Twenty dollars _____ enough for the coat Ais Bare Chas Dhave ( )64. Five minus three _____ two Ais Bare Cam Dwere ( )65. My old friend and schoolmate _____ in Beijing A1ive B1iving Care living D1ives ( )66. He as well as his classmates _____ physics A1ike B1ikes Chave liked D1iked ( )67. Mr Black with his wife ______, visiting China now Aare Bis Cwere Dwas ( )68. Either of the answers _____ right Aare Bwere Cis Dwork ( )69. He is one of the best teachers who _____ at our schoo1. Aworks Bworking Cis working Dwork ( )70. There _____ always a 1ot of good news over the radio Aare Bis Cwere Dhave been ( )71. His _____ new books A is B. am C. was D. are ( )72. All I can say _____ that she has been always good to me A. is Bare Cwere Dhe ( )73. A number of students _____ e Ahas Bhave Chaving Dis (