小明的姐姐在银行工作,她把存入3万元记作+3万元,那么支出2万元应记作( )万元,-4万元表示( )。
-2;支出4万元
Had it been possible I would have gone to the movies but I _____ busy.
A.had been
B.am
C.was
D.would be
无法接入Internet,但在“网上邻居”找计算机,该故障不属于()
A.连通性故障
B.协议故障
C.配置故障
D.服务故障