He started to learn English in 1990 and in the years ________ he kept on using it in his work.
.The children are having a good time, ______ with sand, others with toys.
It is obvious that talking about something behind others is what everyone will not ______.
.The media today can draw public attention to _______help is actually needed.
____ the end of the performance did the audience get the chance to take photos with the respectable actor.
The government _____ to the country to pay more attention to A/H1N1flu.