Althoughmedicalsciencecontrolo

Although medical science __________ control over several dangerous diseases, what worries us is that some of them are returning.

A．achieved

B．has achieved

C．will achieve

D．had achieved

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Helen always helps her mother even though going to school ______ most of
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A．savesup

B．makesup

C．takesup

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A．getdownto

B．getout

C．getbackfor

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A．gavein

B．gaveout

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A．Keepup

B．Keepoff

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A．tookup

B．cameup

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