Theboyranoutoftheclassroomwithouttheteacher's_______.
A、command________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
Theterriblenoiseis______memad.
SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
