要建立一个良好的班集体,形成良好的班风,我们必须( )①各尽其力,充分发挥自己的特长,为班集体建设添砖加瓦②自觉遵守班规班纪、校规校纪、敢于同违纪行为作斗争③关心集体,乐于助人④用爱心营造良好的班风
She speaks as if she ____on the spot.
______ it______ for your help,I couldn't have made any progress.
-Does the young man standing at the gate_____ the car? -No. The car is _____ his father.
Everything _____ doing is worthy of _____ well.
The manager was worried about the press conference his assistant ______ in his place but luckily, everything was going on smoothly.