—Will you come to the dinner party?—I won’t come until Jenny      .

--Mike, can you tell us something about our new teacher?-- Oh, sorry. I know nothing because I _____________ him before.

—How well do you know the Opera House?—I know the place very well. I ____ Sydney many times.

 ---I don’t know what _____ if I do that. ---I think you ______ tell him the whole thing first.

—I think trees ____________ twice a week in such hot weather.—Yes, I agree. Or they may die without water.