．His family members gave some examples of _________ his drinking and smoking had affected the family.
| A．that | B．what | C．how | D．whether |
Smoking is one of the ______ cause of cancer, killing millions of people each year.
| A．major |
| B．similar |
| C．appropriate |
| D．casual |
______ his father’s letter, he decided to make a call to him.
| A．Having seen |
| B．Having been seen |
| C．Not having received |
| D．Having not received |
Last week, Susan and David, ______ our university’s student association, met the Chinese guests at the New York airport.
| A．to present |
| B．representing |
| C．represented |
| D．having represented |
John may phone tonight. I don’t want to go out ______ he phones.
| A．in that |
| B．in case |
| C．if so |
| D．what if |
He glanced over at her, ______ that though she was tiny, she seemed very well put together.
| A．noting |
| B．noted |
| C．to note |
| D．having noted |