_______atallisworthdoingwell.
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
ThefollowingisaspecimenofBlackEnglish.“We?ssafe,Huck,we?ssafe!Jumpupandcrackyo?heels,dat?sdegoodoleCairoatlas?,Ijisknowsit!”ThisvarietyofEnglishischaracterizedbythefollowingexceptits______.