— How often do you refer to a dictionary when you are reading an English novel?
— Well, it depends. ____ it actually affects my understanding ____ look the word up.
| A．Only if; will I | B．Only if; I will |
| C．Unless; will I | D．Unless; I will |
These examples, once ___ to his article, will make it sound more reasonable and acceptable.
| A．add | B．to add | C．adding | D．added |
Environmental pollution is _____ the forest’s dying
| A．leading in | B．resulting in | C．putting in | D．contributing in |
I think my friend Tony is _______to win the tennis game next Monday.
| A．likely | B．possible | C．probable | D．maybe |
______ was not until the early 20th century _____ the importance of his ideas was realized.
| A．What; that | B．It; that | C．That; so | D．It ;when |
The on-line diary blog is a cultural _____, perhaps as essential as usual books we read.
| A．network | B．phenomenon | C．competition | D．occupation |