Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.
A、connectedD
暂无解析
Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.
ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.
Ihavenotheardanythingfromhimsincehis_______.
Wecannot_______allthemagazinestogether.
Pinetreesareusuallybelievedto_______coldweather.
