--who helped betty tidy up the bedroom just now -- --- she cleaned it all by herselfa\ somebodyb\ nobodyc\ everybodyd\ anybody说理由!

来源：学生学帮网编辑：学帮网时间：2024/06/16 13:29:59

--who helped betty tidy up the bedroom just now -- --- she cleaned it all by herself
a\ somebody
b\ nobody
c\ everybody
d\ anybody
说理由!

选择B：nobody

句意是：
刚才谁帮贝蒂整理了房间?
回答：没有人,她自己打扫的.

所以应该是选择：没人,即nobody