It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
A、continuousC
暂无解析
Many kinds of animals are believed to have _________from the earth
When a spacecraft travels, one of the major problems is reentry into the Earth ’s _______.
Although the trffic is not busy, he likes to drive at a_______ speed.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
John _______ to be a polite man. But in fact he is veryrude.
