－Have you written anything on Chinese traditional food so far －_________, but I have a plan for it.

He once observed that “All happy families ______ one another, but each unhappy family isunhappy in its own way”.[ ]

When we got there, he was about to leave, so he only had time to explain _____ to us what he thought of our plan

_________ seems no sense in complainingWe should take action now

Many of them turned a deaf ear to his advice, ________ they knew it to be valuable.