单项选择题

A．It’s $1.00.
B．It’s $1.15.
C．It’s $5.50.
D．It’s $1.25.
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单项选择题
A．It has helped relieve hunger in some developing countries.B．It has improved animal breeding skills all over the world.C．It has bridged the gap between the rich and the poor in America,D．It has promoted international exchange of farming technology.
A．It has helped relieve hunger in some developing countries.
B．It has improved animal breeding skills all over the world.
C．It has bridged the gap between the rich and the poor in America,
D．It has promoted international exchange of farming technology.
单项选择题
A．They attend a house-sitter’s party.B．They check a house-sitter’s references.C．They interview a house-sitter’s friends.D．They look at a house-sitter’s transcripts.
A．They attend a house-sitter’s party.
B．They check a house-sitter’s references.
C．They interview a house-sitter’s friends.
D．They look at a house-sitter’s transcripts.
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