He﹍﹍the job well, but heso careless.

It still puzzles the science world why some mammals produce their young ______ and hatching while others _____ to young babies.[ ]

Chinese have realized that reading is quite important. It’s time for us to pay attention to our cultural lives.

nown to us all isthat the old scientist, for life was hard in the past, still works very hard in his eighties

Given its breathtaking natural landscape and a relaxing atmosphere—most stores in Norway are closed at 5 o’clock every day．—It’s _______ that Norway has the highest quality of life