They overcame all the difficulties and fulfilled the plan two months ahead of time，which was something we（）.

To avoid traffic accidents，every driver must follow tra...

单项选择题

To avoid traffic accidents，every driver must follow traffic rules.（）

（）good advice it is！It helps me a lot.A.WhatB.What aC.H...

单项选择题（）good advice it is！It helps me a lot.

The principle of law established in the "weighing test"...

单项选择题The principle of law established in the "weighing test" is applied to which element of Negligence？（）