Is that your watch _____ the Lost and Found case?[ ]

Why do you ____ very happy this afternoon?—Because we are going to spend the evening at Lily’s house.

The teacher found him ________ and gave him some different homework to do every day.

_____ a cold morning poor Mary went out to sell flowers. [ ]

Do you know Susan’s address? Yes. She lives_____201, Dongchang Road, Liaocheng City. [ ]