0  284325  284333  284339  284343  284349  284351  284355  284361  284363  284369  284375  284379  284381  284385  284391  284393  284399  284403  284405  284409  284411  284415  284417  284419  284420  284421  284423  284424  284425  284427  284429  284433  284435  284439  284441  284445  284451  284453  284459  284463  284465  284469  284475  284481  284483  284489  284493  284495  284501  284505  284511  284519  447090 

50. We waited a long time ___________ the train arrived.

  A. when          B. since             C. while            D. before

试题详情

49. Scientists say people with cancer should not take aspirin ________ they are advised to do so by a doctor.  

   A. if             B. unless            C. in case               D. for fear

试题详情

48. I can’t thank you _____much for your kindness, because without your help I can’t have

succeeded in the exam.    

A. too          B. very                B. quite            D. that

试题详情

47. After graduation she reached a point in her career _______ she needed to decide what to do.

A. which       B. where        C. what         D. that

试题详情


同步练习册答案