题目: 防治侵染性病害为何须贯彻“预防为主,综合防治”的植保方针。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1005/807c494963c96bd3e5971a0c32bd22d9.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 We were stuck at the airport because of the heavy fog, otherwise we ________ here in time for the conference.A.arrivedB.had arrivedC.would arriveD.would have arrived 查看答案