Expertshavefoundthatnormalsleepcanbedividedintofive______stages
A、moderateC
暂无解析
Mrs. Weinstein bravely and persistently used every skill and power she had to her attacker to simply take her car and not her life.
The United States is a country_ (advance) in science and technology
We_____knowledge from our families,schools,jobs,and the mass media
Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
Beinga________(high)motivatedlauguagelearner,hetakeseveryopportunitytoimprovehisEnglish
