adequate water for all residents was, until only a few decades ago, a serious problem.

Weshould consider the students’ request theschool library provide more books on popular science

下列对通假字的辨析错误的一项是（ ）

octor, I spend most of the time with my patients, and that’s ______ it is in my day.

You will see what great benefit the computers you own can be _____ every time we use them