Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Inordertoincreaseouroutput,weneedtoimportmoreproduction_______.
Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.