72. ——Don't you think it's going to rain over the weekend?——_______.A. I don't believe B. I don't believe it C. I believe not so D. I believe not 73. I knew I should not accept anything from such a person but I found it difficult to turn down his ___.A. plan B. offer C. suggestion D. request74. ——Do you mind my taking this seat? ——________.A. Yes, sit down please B. No, of course notC. Yes, take it please D. No, you can't take it 75. How I envy you _______ your good luck! A. in B. of C. to D. / 76. This event was rather unusual, ________?A. is it B. isn't it C. was it D. wasn't it 77. We have _______ books in our library.A. plenty of B. great many C. a great deal of D. great number of80. The boy would have died, _______ on him without delay.A. if the doctor didn't operate B. if the doctor wouldn't operateC. would the doctor not operate D. had the doctor not operated答案分别为DBBDDAD,请高手讲解一下!
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72。 ——Don't you think it's going to rain over the weekend?——_______。A。 I don't believe B。 I don't believe it C。 I believe not so D。 I believe not 73。 I knew I should not accept anything from such a person but I found it difficult to turn down his ___。A。 plan B。 offer C。 suggestion D。 request74。 ——Do you mind my taking this seat? ——________。A。 Yes, sit down please B。 No, of course notC。 Yes, take it please D。 No, you can't take it 75。 How I envy you _______ your good luck! A。 in B。 of C。 to D。 / 76。 This event was rather unusual, ________?A。 is it B。 isn't it C。 was it D。 wasn't it 77。 We have _______ books in our library。A。 plenty of B。 great many C。 a great deal of D。 great number of80。 The boy would have died, _______ on him without delay。A。 if the doctor didn't operate B。 if the doctor wouldn't operateC。 would the doctor not operate D。 had the doctor not operated回答:72。习惯用法73。offer 名词（提供的）帮助74。不介意，情景用语76。un-dis-。non-,im-前缀加的词，在反意问句中不表示否定，提问仍然用否定７７。plenty of 可修饰可数与不可数，其他a great many ,a great number of 可数a great deal of 不可数８０．虚拟条件句，用had倒装 相当于if the doctor had not opreated on him 。。。。 。
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72.习惯用法73.offer 名词（提供的）帮助74.不介意，情景用语76.un-dis-.non-,im-前缀加的词，在反意问句中不表示否定，提问仍然用否定７７.plenty of 可修饰可数与不可数，其他a great many ,a great number of 可数a great deal of 不可数８０．虚拟条件句，用had倒装 相当于if the doctor had not opreated on him
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72.习惯用法73.offer 名词（提供的）帮助74.不介意，情景用语76.un-dis-.non-,im-前缀加的词，在反意问句中不表示否定，提问仍然用否定７７.plenty of 可修饰可数与不可数，其他a great many ,a great number of 可数a great deal of 不可数８０．虚拟条件句，用had倒装 相当于if the doctor had not opreated on hi
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72.习惯用法73.offer 名词（提供的）帮助74.不介意，情景用语76.un-dis-.non-,im-前缀加的词，在反意问句中不表示否定，提问仍然用否定７７.plenty of 可修饰可数与不可数，其他a great many ,a great number of 可数a great deal of 不可数８０．虚拟条件句，用had倒装 相当于if the doctor had not opreated on him ....