单项选择题

A．efficient
B．excellent
C．professional
D．proficient
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单项选择题
A．endsB．limitsC．bordersD．edges
A．ends
B．limits
C．borders
D．edges
单项选择题
A．All peoples are afraid of sneezing.B．Some people never sneeze in their lives.C．The moment of sneezing is very dangerous.D．Many people say prayers when they sneeze.
A．All peoples are afraid of sneezing.
B．Some people never sneeze in their lives.
C．The moment of sneezing is very dangerous.
D．Many people say prayers when they sneeze.
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