Chen Yifei(1946－2005)，who died in his ________ fifties，was ________ successful artist.

She is so ____ towards others that everyone gets on well with her. 

Tom is a hard-working student．In fact, you cannot find anyone in the class ____．

The girl was so __________ by the mighty river that she would spend hours sitting on its bank and gazing at the boats and rafts going and coming.

Most animals and plants are _______ large or sudden changes in temperature, so the ocean is a safe and comfortable habitat.