Accidents are of frequent（）on this motorway because the traffic is extremely heavy here.

According to the weather（）, it's going to be fine today...

单项选择题According to the weather（）, it's going to be fine today.

It took millions of years for order to grow out of the（...

单项选择题It took millions of years for order to grow out of the（）of the universe.

You should save your work often as a（）against computer ...

单项选择题You should save your work often as a（）against computer failure.