شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 12574

There is a warning to stay away from the machinary while it ............................. .

Between the months of November and May, a wind blows from the west in most parts of Indonesia. It comes from the ocean and carries rain. Clouds build up around the mountains, and every afternoon rain falls. The rain is always heavy, and rivers which can be walked across in the dry season now become dangerous. When it rains the whole day, they may suddenly overflow and cause great damage to the land.

    Most farmers are glad when the wet season begins. There is enough water for their fields and they can again start growing rice. But people in town are not so glad since the streets soon get muddy and dirty. They prefer the dry seasons when they can sit outside and enjoy the cool evenings.

The reason why the rivers are very dangerous in the wet season is that … .