单项选择题X 纠错
A.thirty minutes’ drive
B.adrive of thirty minutes
C.driving for thirty minutes
D.driving car by thirty minutes
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单项选择题
A.hasn’t it
B.hasn’t there
C.doesn’t it
D.has there
单项选择题
A.on
B.for
C.at
D.in
单项选择题
A.must have been
B.must he
C.was to be
D.had to be
单项选择题
A.As she was exhausted
B.If she was exhausted
C.Exhausted though she was
D.Now that she was exhausted
单项选择题
A.we have seen
B.we had seen
C.seen we have
D.have we seen
单项选择题
A.to,be
B.at,being
C.to,being
D.at,tobe
单项选择题
A.Export mission
B.Export incentives
C.Export financing
D.Export tariffs
单项选择题
A.New York,U.S.A.
B.Paris,France
C.Geneva,Switzerland
D.Sydney,Australia
单项选择题
A.Intellectual property is an intangible creation
B.Intellectual property in ludes patents,trademarks,copyrights,etc.
C.Intellectual property is a visible creation
D.There are some agreement sconcerning intellectual property under the WTO