Do you know where David is I couldn’t find him anywhere.—Well, he ______ have gone far—his coat’s still here.

Would you please ____ _ her _____ me back— All right, I will tell her.

.You must put your heart into what you are doing, or you ________ your aim

The house could fall down soon if no one ______ some quick repair work.

The Smiths have decided ________ a house near the sea.