_A container weighs more after air is put in, ____proves that air has weight.
| A．as | B．it | C．that | D．which |
相关知识点
推荐试卷
_A container weighs more after air is put in, ____proves that air has weight.
| A．as | B．it | C．that | D．which |
试题篮
()
粤公网安备 44130202000953号
