The old man used __________ in front of his house and he has got used to __________ like that.
| A．to sit; doing | B．to sitting; do |
| C．to sit; do | D．to sitting; doing |
The traditional goal of science is to discover how things are, not how they ought _____.
| A．to be | B．be | C．have been | D．To |
In their spare time, they will discuss the _____ to the study of English.
| A．means | B．approaches |
| C．methods | D．Ways |
About _____ of the population of that country _____ on farms.
| A．Two third; live | B．Two third; lives |
| C．Two thirds; lives | D．Two thirds; live |
―Will you go to the Great Wall with us?
―If John wants to go, _______
| A．so do I | B．so will I |
| C．so I do | D．so I will |
I was so angry that I felt like _________ something at him.
| A．to throw | B．throw |
| C．throwing | D．threw |