—Tom often drives carelessly.—Tell him he ________ answer for it if he goes on behaving like that. 

The police still haven’t found the lost child, but they’re doing all they             .

 --- Don't worry. I've just sent an ambulance to you. They ________ be there any second.

--______do you spell your family name?—C-L-A-R-K,Clark. 

—Must I water the flowers now?  —No, you ________ . You __________ do it later.