Jennifer suggested you _ a first-aid kit on your trip.
He made another wonderful discovery, _____ of great importance to science.
One of the best ways for people to keep fit is to______ healthy eating habits.
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feast
insurance
exist
oxygen
Our teacher looked here and there on our playground _______ looking for something.
Progress so far has been very good._________ , we are sure that the project will becompleted on time.