Put the verbs in brackets into the correct tense form and 1)-who this park (to found) by? -it found) by local authorities thirty-five years ago. 2)-how many animals (to keep) in this zoo last year? -last year we (to keep) more than one hundred animals. measure to protect this area from pollution take) yet? -no they discuss)at the moment. 4)- you (to write) the letters already? -the letters write) at the moment. - (to solve) this problem yet? -no it (to solve) tomorrow.

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