He is a student. He ... his homework every day., do, does, did, He ... his homework yesterday., do, does, did, He didn't ... his homework three days ago., do, does, did, ... you water the trees yesterday?, Do, Did, Will, He ... the trees every weekend., water, waters, watered, ... you buy a new camera last Friday?, Do, Did, Will, ... they at the circus last Sunday?, Are, Were, Did, ... they go to the circus last Sunday?, Do, Did, Were, They didn't ... to the circus., go, went, goes, Dad didn't ... a new watch yesterday., buy, bought, buys

Past Simple or Present Simple?

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