My English teacher’s humor was ____ make every student burst into laughter.
---- Look! Everything here is under construction. ---- What’s the pretty small house that ____________ for?
---- Isitinthatfactory__________“RedFlag”carsareproduced? ---- No, they are produced in our factory.
We’retalkingaboutthepianoandthepianist_____wereintheconcertweattendedyesterday.
Thefreezingpointisthetemperature__________waterchangesintoice.
Don’t talk about such things _______ you are not sure about.