Class regulations require _____ is the last to leave the classroom _____ off all the lights.
--you interrupt now? Can't you see I'm on the phone?
--Sorry sir, but it's urgent.
Sam has been appointed _______ manager of the engineering department to take ____ place of George. A. /, / B. the, /C the, the D./, the
to work overtime that evening, I missed a wonderful film.
--Kevin, you look worried. Anything wrong? --Well, Ia test and I’m waiting for the result.
--John, when shall we meet again, Thursday or Friday? --___________.I’ll be off to London then.