---who______it be that is knocking at the door? ---It_______be Father, but I’m not sure.

--- May I go now? --- No. You ______________ let the teacher know first.”

It _______ come as no surprise that Suri Cruise wants to be an actress, since her father, Tom Cruise, is a Hollywood top star.

—Must I finish my homework at school?— No, you_____. you can do it at home

 ---_______I come back before five o’clock? ---No, you ________. But you________ be back later than seven o’clock