以下对交换机工作方式描述正确的是( )
ABD
暂无解析
WhenyouwereinLondon,didyouvisit________________Tower,too?
Wearelookingforwardto___yourL/CforOrderNo123.()
InclassifyingtheEnglishconsonantsandvowels,thesamecriteriacanbeapplied.
Youngerchildrenarecurious________howthingswork,andmanyofthemwanttotakeaparteverythingwithintheirreach.
Wetrustyouwilldoyourbesttohavethismatter__________rightaway.()