We shuold brush our ____ every day.[ ]
A. teeth
B. face
C.mouth
答案：A
You can call me ______ 13952588888 or e-mail me ______ jdw@126.com. [ ]
A. on; at
B. at; on
C. with; for
D. to; of
偏心配水器管柱具有（）的优点。
A.光管混注
B.测试调整方便
C.控制管理方便
D.达到配注方便
____ every day.[ ]
____ every day.[ ]