问题补充:
单选题HowIwishit____!Ifit___inacoupleofdays,thecropswouldsurvive.A.will rain; rainedB.would rain; should rainC.should rain; rainsD.would rain; had rained
答案:
B解析wish后接引导的宾语从句, 用would+动词原形, 表示与将来事实相反的愿望; 再由 “in a couple of days”和 “would survive”可知, if从句要用should +动词原形或一般过去时, 表示与将来事实相反的假设。