His room is decorated with colorful abstract paintings.

I live in Zürich.

During winter, my energy bill significantly increases.

I think the congee my mother makes when I catch a cold is the most delicious.

He refused my proposal.

The leaf of this tea plant is vividly green, isn't it?

He forgot to shave his beard.

Please teach me how to calculate the area of this circular sector.

I gargle every night before going to bed.

I went to see the Golden Gate Bridge.