Prepositional phrases exercises online - Preposition exercises

Choose the correct preposition to complete the sentences.
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Harvey, you sure you are ready _____ this, Harvey?
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The incidence of these toxicities was dependent _____ both the dose of clofarabine administered and the duration of treatment.
for
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Unfortunately they are absent _____ his report.
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The temperature of the water leaving the tap is dependent _____ the flow of water.
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I am worried _____ losing this place.
about
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Thus, the availability of services is dependent _____ the technical provisions of external network service providers.
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The selection of the chromatographic separation technique is dependent _____ the interactions among the raisins and the target molecules.
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IPM porcelain was famous _____ its exceptional quality.
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We are aware _____ very few accidents involving the alternative substances.
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Note that the effect is different _____ reversing an audio recording.
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