Singing English songs a good way to improve your English. [ ]
A.is
B.be
C.are
D.am
答案:A
–Excuse me, sir, there is _____ tea in your cup, would you like some more?
--Yes, please. And give me _____ mooncake. It tasted delicious.
A.few, other
B.a few, another
C.little, another
D.a little, other
计量检定必须执行()。
A.国家计量检定规程
B.国家计量技术规范
C.国家计量检定系统表
D.以上都对