Strong sandstorms are often _____ you cannot see the sun

下列各项中，没有语病的一项是（ ）

my way in complete darkness and,____ matters worse, it began to rain.

We had wanted to finish our task by noon, but it didn’t quite _____.

The Libyan people have suffered to the fullest extent the chaos caused by war. China ______ Libya to give peace a chance.