it ____heavily the outing had to be put off.

it ____heavily the outing had to be put off. It____heavily,the outing had to be put off. 英语独立主格的题it（ ） heavily,the outing had to be put OFF 选RAINING the flight had to be put off----------the thick fog so many representatives_ ,the conference had to be put off many directors__,the boat meeting had to be put off. ; we had to put the meeting off. so many students __,the test had to be put off So many people___,the meeting had to be put off.选B many people(being)absent,the meeting had to be put off be 用法If it were to rain womorrow,the game would be put off.我 Word came _that_____the students would put off the outing ne