It was _______the old clock that the old man spent the whole morning at home.A,repairing B,to repair C,repaired D,repair
During _________ 3-day conference, global warming became _________ major concern of all the representatives.
Not until _______ home _______ her appointment with the doctor.
By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, _________ appeared a rare rainbow soon.
Do you know since when it is ________ you have been interested in poetry?
What’s the __________ of having a public open space where you can’t eat, drink or even simply hang out for a while?