I listened to Professor Chen-Ning Franklin Yang’s lecture about his study and physics, but I failed to get its key ______ .
——This is film I’ve told you about. Isn’t it wonderful one?——Yes, it’s great.
This sign means “ _____.”
--- ___ do you like dolphins? ---Because they are very smart.
Tom and Mike enjoy _________ TV.
He doesn’t like lions. They are very_______, he thinks.