問題詳情

15. Some of the apples were rotten before reaching the market and _____ away.[
(A)] could be thrown [
(C)] could throw[
(B)] had to be thrown [
(D)] had to throw

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)