Question

10. This book is of such importance and it must be published         .

   A. at the start   B. at random

   C. at a loss   D. at any cost

Answer 1

10. D at any cost意为"不计任何代价"，相当于 at all costs; at the start意为"从一开始，开始时"；at random意为"随意地"；at a loss意为 "茫然地，不知所措地"。