In order to have the arrangements ________ for the party, the organizers have spent three days preparing.
Many people are homeless in the Chile earthquake and ______ help.
---I’m afraid I ______ return the book to you before Friday. --- Take your time.
. Not until _______ smoking ________ healthy lungs.
. If it _____ sunny, we _______ a picnic. But it is raining now.
Many Chinese students find it difficult to remember English words, _______ Yang Mei is an example.