He likes low-carbon life. He lives in the house ________ he built himself out of trash.

I get _____ flu. I should see a doctor at once.

Congratulations! Among the best pictures in the competition, I found _________. When did you draw it?—During the trip to the Yellow Mountain _________ May.

What color is _______ orange?—It’s____ orange.

When did your father _______ your mother?