在下做题过程中遇到些问题,恳请各位英语达人,给出解析.感激不尽.优的给予采纳,谢谢(๑´ω`๑)①thereadventureslostinthevirginforest;otherwisetheywouldhavebeenbackbynowAmustgetBmust

Question

在下做题过程中遇到些问题,恳请各位英语达人,给出解析.感激不尽.优的给予采纳,谢谢(๑´ω`๑)
①there adventures ___ lost in the virgin forest ; otherwise they would have been back by now
A must get B must have got
为什么是过去而不是现在?答案是第二个
②—Jack ,why didn't you come to the yesterday's party
—I ___ ,but I had an unexpected quest .
A was to come
B was going to
A,B两个选项有什么区别?答案是第二个
③l am afraid I won't be available then .I ___ an old friend off at 3 o'clock this afternoon .
A will see Bwill be seeing 为何一般将来时不可以?答案是第二个

Answer 1

因为如果是现在的话,后面也就不会用by now 了.By now 就是到现在为止,也就是指在之前,迷路这事情就已经完成了.整句话的意思是,XXX肯定是在森林里迷路了,不然现在肯定到了. 2.这两个选项,第一个选项是语法错误,...