Don't _____ the news to the public until we give you the go-ahead (许可,准许).
The children themselves were calm enough. _________ the parents that got into a panic(惊慌).
The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.
------How do you like the book? -----It’s quite different from ___ I read last month.
Can you lend me the novel ______ the other day?
I have seen trees, _____ open at sunrise and close at sunset.