It was at the school gate _______ I met an old friend of mine after class.
I worked in a foreign company for five years. Still, I don’t regret ______ the well-paid job.
Jane won’t join us for dinner tonight and _____________.
—How do you know so much about what’s going on in the countries?—I’ve got a friend there who keeps me _______.
China Daily is _________ a newspaper. It helps greatly to improve our English.
I don’t know the reason _______ you were absent from the meeting, and I am not sure whether someone will tell me the reason _______you haven’t told me.