相关考题
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单项选择题
Britain is ( ) its effort to secure the release of the hostages.
A.densifying
B.intensifying
C.identifying
D.classifying -
单项选择题
As we were ( ) giving up hope, a letter arrived.
A.on
B.for
C.to
D.in -
单项选择题
Already there are many ( ) fuel vehicles on the market, powered by anything from solar power to natural gas.
A.alterable
B.alternate
C.alterative
D.alternative
