The teacher required that all errors should be _______eliminated before the students turn in their term paper

The United States is a country_ (advance) in science and technology

他孤注一掷用自己的积蓄开了一家小商店。翻译

Idon’tneedanyhelpatthemoment,butI_____youroffer

Expertshavefoundthatnormalsleepcanbedividedintofive______stages