——Could I speak to Mr Brown? —— ______ , I'1l go and see if he is in.
_____ leaves the room last ought to turn off the lights.
You can’t imagine ______ when they received these nice Christmas presents.
My new pen ______. Who ______ have taken it?
— David hasn’t come yet. —I think he will ______ soon, for he means what he says.
Many students_______from the new library since it was open to all.