Look! Many people __________the buses at the bus stop.
A:wait for
B:waited for
C:will wait for
D:are waiting for
某严重肠梗堵患者,由于组织坏死,切除了近4米的小肠,手术后其消化功能仍正常,这是因为( )
“退一步,海阔天空;让三分,风平浪静”。这说明在交往中要( )