would join them in the dress-up party __.A.if they invite B.should they invite us...would join them in the dress-up party __.A.if they invite B.should they invite us.为什么选B不选A?为什么把should提前可以省略if?
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would join them in the dress-up party __.A.if they invite B.should they invite us...would join them in the dress-up party __.A.if they invite B.should they invite us.为什么选B不选A?为什么把should提前可以省略if?
would join them in the dress-up party __.A.if they invite B.should they invite us...
would join them in the dress-up party __.
A.if they invite B.should they invite us.为什么选B不选A?为什么把should提前可以省略if?
would join them in the dress-up party __.A.if they invite B.should they invite us...would join them in the dress-up party __.A.if they invite B.should they invite us.为什么选B不选A?为什么把should提前可以省略if?
invite是及物动词,要加直接宾语,所以A不对.
B采用的是虚拟语气,倒装句式.
虚拟条件句的从句部分含有were,should,或had时,可省略if,再把were,should或had 移到从句的句首,实行倒装.
不选A:invite是及物动词,必须有宾语,如果A选项加上us,那么A也是对的
B是一个虚拟语气句式:if sb. should do(从句),sb. would do(主句). 表示对于将来的一种设想。should可以提前,变成倒装句,此时省略if
第一句少了us 第二句should提前表示如果,是一种特定用法,记住就行了