Question

1 .we did not buy anything because we were short of money.

Answer 1

这涉及到语法问题.

1.表语结构,be short of ,要用形容词.

2.shortness of sleep,缺少睡眠,睡眠的缺少.作为主语,要用名词.

short :adj.形容词

shortness ：none 名词.