他们工作时总是互相帮助。Theyneverwork_______helpingeachother.
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发货人不需要付运费。The______doesn'tneedto____transportationcharges.
这两条船并不都是空的。______ one of the two ships is ______.
再小心也不为过。You cann't be too ______ .
The songs on the new album are more beautiful than _____ on the previous ____.
A. those; one
B. that; that
C. those; ones
D. that; ones
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