Chia động từ trong ngoặc

I usually (go) __________ to school by bike, but today I (go) __________ by bus.

Listen! Someone (knock) __________ at the door.

My father (work) __________ in this company since 2015.

Yesterday, we (visit) __________ our grandparents in the countryside.

She (not finish) __________ her homework yet.