How

—Glad to meet you again. How are you? —I'm just             .（老样子）

It’s ________ difficult for young people to imagine how their grandparents managed to live without internet decades ago.

The professors and experts held a conference in the academic center of the university to discuss about how to _____the proceedings.

Good morning, John. How are you doing? ----                         .

--– How do you enjoy your life after work? --- __________.

No one has yet succeeded in explaining the _________ of how life began

—It's nice to see you in New York. How's your family? —          . My wife asked me to say hello to you.