[ Grammar ]
I’m very interested _____ identifying insects and plants.
A. at
B. on
C. in
D. over
Select your answer:

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Present Simple and Continuous TensePreference & Future TensePresent Simple PassivePast and Future TensesAdjectives and PronounsPerfect Progressive TensesTenses - Irregular VerbsSimple TensePresent Progressive or Present SimplePresent Simple & Present Continuous TensesOther quiz:
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a. some
b. any
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The staff _______ ___________ ___________ lunch for the special guests since 8 a.m.
A. had been preparing
B. must have prepared
C. would have prepared
D. could have been preparing
