______ interested us most was ______ he saw last night.
| A．It; what | B．What; what | C．What; how | D．It; how |
Our government should shoulder the social ___________ to help people live a comfortable life.
| A．possiblity | B．attention | C．responsibility | D．attraction |
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 |