Do you know _____ MrBlack’s address is— He may live at No18 or No19 of Bridge StreetI’m not sure of _____

Must I hand in my homework now， Mr.Smith—No，you ________.

Can you tell me ______ on the Internet—OK, mum.

e always keep an appointment,Jenny’– Seldom, ______

Many in the credit industry expect that credit cardswill eventually ________ paper money foralmost every purchase.[ ]