I was ashamed____ my failing the exam and decided on a measure to make up for it.
| A．of; upon | B．for; on | C．at;on | D．about; upon |
The students by the teacher now will take part in the English Speech Contest of the school next month．
| A．chosen | B．being chosen |
| C．choosing | D．to be chosen |
What makes online shopping so popular is it shortens the distance between manufacturers and consumers．
| A．how | B．that | C．whether | D．why |
Nelson Mandela is，__________ the greatest man of the 20th century，certainly among the most extraordinary leaders．
| A．if there | B．if any | C．if not | D．if so |
I __________ glasses since I was in primary school and I hate them. They make me look like a bookworm.
| A．have worn | B．have been wearing | C．have been worn | D．was wearing |
You fool! You __________ all the people in the car yesterday if it had not been for me．You were so drunk while driving!
| A．could kill | B．might have killed |
| C．had killed | D．should have killed |