Her boss________her to work day and night.

Her boss________her to work day and night.
A、made
B、had
C、let
D、forced
【正确答案】：D
【题目解析】：make sb do sth/ have sb do sth/ let sb do sth 让某人做某事；force sb to do sth 强制某人做某事；因此D 符合题意。