They _____ building the new hotel because of the greatcost

It is not profitable to provide busservices in districts where the population is widely _____.

_____ the government recovers the vehicle purchase tax and the oil prices go up continuously, the sales of the vehicle in China are still increasing every year

We have a lot of cakes here.Help _____ to some more ,kids.—-Thank you.

It was a fine day yesterday. I ________ have taken my raincoat with me.