Some kinds of animals can change their color with _______.A. conditions B environment C. surroundings D. situation
For a moment nothing happened. Then ________ all shouting together.
How long do you think ____ the car factory launches a new model?
We should do more such exercises in the future, I think, ___________ we did yesterday.
Remember to pack more winter clothes into your suitcase. The winter in Chicago __________ be extremely cold.
We thought of selling this old furniture, but we've decided to ______ it. It might be valuable.