9. Many factors may explain why people are addicted to the Internet. One factor ______ to this pheno
10. The little girl got lost. ______ what to do next, she started to cry.(A) Knowing not (B) Not kno
11. Some students have a lot of difficulty ______ with their parents.(A) communicating (B) communica
14. With regard to negotiation skills, Judy is far superior ______ other salespeople in our company.
15. The thief had run away before the police arrived, ______?(A) hadn’t he (B) had he (C) didn’t the
16. If I had magic power, I ______ turn you into a frog.(A) would have been able to (B) would be abl
17. I have been interested in English ______ I was nine years old.(A) while (B) as (C) until (D) sin
18. Sometimes, people are not conscious of the importance of health. Only when they lose health ____
20. The principal gave a speech to the freshmen, only a few of ______ were actually paying attention
1. Charlotte used to work as an assistant to a famous fashion designer; therefore, she ___________ a
2. The directions on this box ___________ that the patient should take only two pills a day. An over
3. The locals ___________ supported the construction of a college in the town; no one opposed it.(A)
4. The mother admitted that she was very ___________ about her missing son.(A) symbolic (B) competit
5. The fable that a man killed a hen that ___________ golden eggs taught us a lesson about the price
6. All the employees in this well-organized company carry out their jobs ___________.(A) sufficientl
7. Recently medical researchers have found that AIDS virus is ___________ to antibiotics.(A) resista
8. After being out of work for several months, they finally found____________ in a factory and earne
9. As an English ____________, Steve enrolled in the American Literature course and Shakespeare sonn