The weather in Britain is foggy.

There was a strong wind last night, and the temperature will drop a little today.

A strong wind blew last night. So the temperature will drop a little today.

The train didn't arrive at the station on time because of the fog.

The train didn't arrive at the station on time because of the heavy fog.

It's very warm today, and the temperature is around 15℃.

It is warm today. The temperature is about 15 degrees Celsius.

Dad didn't drive me to school as usual this morning.

My father didn't drive me to school as usual this morning.

My car broke down yesterday because of the cold weather, so I had to go to school by bike.

My car broke down yesterday because of the cold weather, and I have to go to school by bike today.

I thought you were discussing this problem with your friends at that time.

I thought you were discussing this project with your friends.