China's first Grand Slam（大满贯） winner Li Na announced her retirement knee injuries． A farewell ceremony was held officials from Tennis Associations, several world's top players and her loyal fans．
A． due to; to feature
B． resulting in; featuring
C． due to; featuring
D． resulting from; featured
Health experts up to 18 people for possible exposure to Ebola（埃博拉）, Five students after coming into contact with the patient, Dallas officials said．
A． observed; are monitoring
B． observed; have been monitored
C． have observed; were monitoring
D． were observing; were being monitored
Your handwriting is like your shadow, is why companies sometimes look at it when hiring employees and courts also consult it when dealing with certain cases．
A． that B． this
C． what D． which
—1 have warned you of the traffic． You know what to expect around National Day．
—Sorry, we really the freeway． Now, we'll spend the holiday on this freeway．
A． must have avoided B． should have avoided
C． will have avoided D． can have avoided
In the age of microblog or Weibo, common people can make their voice by posting their opinions and attracting public attention．
A．hearing B．hear
C．heard D．to hear
Since three Chinese astronauts piloted Shenzhou IX to link up with Tiangong-l, China's exploration of outer space has reached new stage．
A．不填；a B．the; a
C．a：the D．不填：不填
