If it ________ for the heavy rain then, we would have arrived here ahead of time.
---Hi, Brown! Are you going to have an outing? ---_____.
--Cliff, I lost your ball at school. I suppose I should pay for it. --- Oh. _____. It was just as old ball anyway.
_____is mentioned above, the number of the studentsin seniorschools is increasing.
_____ is known to everybody, the moon travels round the earthonce every month.
._____ has been announced, we shall have our final exams nextmonth.