With so many people ____ in English every day, it will become more and more important to have ____ English.
| A．communicated, good knowledge of |
| B．communicating, a good knowledge of |
| C．communicating good knowledge |
| D．to communicate, a good knowledge at |
Mary as well as her elder sister who______ Chinese at university ______ gone to China for holiday.
| A．studies; has | B．study; have | C．studies; have | D．study; has |
If you have a job, _______yourself to it and finally you will succeed.
A don't devote B.do devote C. devoting D. not devoted
My grandparents asked me to go and see them whenever______.
| A．I am convenient | B．I will be convenient |
| C．it is convenient | D．it will be convenient |
______some people dislike may be others’ favorite.
| A．Whether | B．What | C．That | D．How |
Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
| A．surely | B．likely | C．probable | D．possible |