新建桥梁在交付使用( )年后,要进行第一次全面检查。
D
暂无解析
Forsomereason,it__________alldayoverthetwoweeks.
Therearemanyislands______thecoastofChina.
我国应继续巩固和深度开发的出口市场是()。
Onewaytounderstandthousandsofnewwordsistogain__________goodknowledgeofbasicwordformation.
Weneedfriendsto________,orwewillfeellonely.