问题
选择题
—"_____ you need bags for these books?"
—"No, I _____." [ ]
A. Do, don't
B. Can, can't
C. Are, aren't
D. Are, am not
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—"_____ you need bags for these books?"
—"No, I _____." [ ]
A. Do, don't
B. Can, can't
C. Are, aren't
D. Are, am not
答案：A
，5月底的示数为
，则小华家5月份消耗的电能为 ▲ kW·h，应付电费 ▲ 元(按每度电均价0．5元计算)．