t it verydifficult to carry on the work all by myself —Icould have helped you, but you _____me to

Don’t forget ______ thanks when other people help you.

He said it was _____ impossible to buy the novel which was _____ worth reading

The nurse allowed the visitors to remain the visiting hours，though it was not permitted

So David wants to sell the house and move to New York.— ______. He has found a job there.