I can’t        (付得起) to go to the 2010 World Cup.
You can cross the road in____________（安全）when the traffic lights turn green.
She will be the ________(第四个) to speak at the meeting.
Have you ever seen the students with__________(小刀)in your school?Do you think it is
dangerous?
An English proverb says“___________(健康)is wealth．”
It’s helpful that she has        (画)a picture of the suspect．
The information I received was       (完全)wrong．
The math problem is too difficult．       of us can work it out in our class．
In the       ，I found English tough to learn．Slowly it became easier to me．
Liu Xiang runs so fast．He can run 110 metres hurdle in about 10 __________．