If you don’t go to the meeting tomorrow, ________

She feels very lonely because she has no friends _________.

You should have prepared your speech for the meeting, MrSmith— Yes, I knowBut how could I _____ the meeting date fixed so soon?

Helen ________ her keys in the office so she had to wait until her husband ______ home

Mount Wutai,_____we visited last month,attracts hundreds of thsousands of vistors every year