Once _______, this power station will supply all the neighboring towns and villages with electricity. A. it being completed B. it completed C. completed D. it completes说明原因

we don't need to finish this fork at once=It is_______ _______ us to finish this work at once just this once no Once,this is a promise Tell me the trick _______ once We should do it at once.改为同义句We _______ _______ _______ do it at once.这样怎么改？ We should do it at once.改为同义句同上We _______ _______ _______ do it at once. I eat j（ ） food only once a weekj什么 foodI do not like this p（ Please change a good one 教教我吧 we accept D/P payment only once This is the house.I once lived in it.This is the house--- ---I once lived we made up our mind to go back home at once改为同义句we _______ _______ ________home at once Once _______, this power station will supply all the neighboring towns and villages with electricity. A. it being completed B. it completed C. completed D. it completes说明原因 用所给词的适当形式填空 1.When reached the town ,it ______ (get) dark.2.Here ______ (come) the bus.3.It ______ (get) dark .What about _______ (go) home at once?4.Where _______ (be) you this time yesterday? I _______ (be) at home.I ____ _ The mind cannot be made up _______.A.for once all B.once and for allC.for all once D.for all and once应该选哪个?为什么? once! once once Once once