“What did you do last night?”

“I did my homework and ________TV.”[ ]

A. watch

B. watched

C. will watch

D. am watching

烧伤创面植皮失败常见原因为

A．感染

B．全身状况不良

C．创面状况不佳

D．排斥反应

E．皮片移动或压力不当