We can not trust him any more because he often________ his duty.
D
暂无解析
Many kinds of animals are believed to have _________from the earth
In order to increase our output, we need to import more production _______.
What he said in the meeting _______ everybody present.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.