单项选择题

Trade dispute is one of the major issues that ______ Sino-US relations.

A．bothers
B．bother
C．is bothering
D．has bothered
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单项选择题
The United Nations has launched a new program with a view to ______ poverty in those African countries.
A．extricating
B．eradicating
C．distracting
D．extracting
单项选择题
The defense minister promised to keep the president ______ of the situation in the Middle East.
A．being informed
B．informed
C．to be informed
D．informing
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