What do you think of the lecture of Li Yang’s Crazy English — I think it’s _______ , but someone thinks it’s much too ________.

I listened to Professor Chen-Ning Franklin Yang’s lecture about his study and physics, but I failed to get its key ______ .

ng ago, a person whom I know verywell was__________a robbery

It’s helpful to put children in a situation ________ they can see themselves differently[ ]

People believe thatmutual understanding _______ a happy marriage