darkened，A darkened sky in the daytime is usually an indication that a storm is

新丁驾到，新丁驾到PLAY THAT FUNKY MUSIC

nowthat，now that是什么意思

that的用法，that的用法that到底怎么用

只用that不用which的情况，什么情况下定语从句只用that不用which

which和that的区别，初中英语which与that的区别