问题标题：
1.__b___atthetownhall.thepresidentwaswarmlywelcomedbythemayor.a.toarriveb.onarrivingc.arrivedd.havearrived2.Iwishhe_c__metomorrow.Iamsobusynowwillvisitb.willbevisitingc.visitedd.wouldhavevisited3.howcareless____joh
问题描述：
1.__b___atthetownhall.thepresidentwaswarmlywelcomedbythemayor.
a.toarriveb.onarrivingc.arrivedd.havearrived
2.Iwishhe_c__metomorrow.Iamsobusynow
willvisitb.willbevisitingc.visitedd.wouldhavevisited
3.howcareless____john____theprettyvase.
a.itwasof…tohavebroken
b.wasof…tobreak
c.itwasfor…tohavebroken
d.of…tobreak
4.-mom,whatdidyourdoctorsay?
-headvisedmetolive_d__theairisfresher.
a.inwhereb.inwhichc.theplacewhered.where
第一题的c和d为什么不能用
刘建候回答：
1b做时间状语,on有个用法是：一...就...,一到就受到人列欢迎.
2cwish+过去时表示与事实相反的情况（真实情况是现在）,来的不是时候.
3c感叹句的用法
4d宾语从句.a不对,where前不加in,bwhich指代不明,c先行词与where不一致.
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