The Sina Microblog provides a good ________ for those who want to express their opinions and exchange their ideas with others.

The top leaders of the two countries are holding talks in a friendly _________. 

I’m told that you are going to Canada to have a three month further study. Don’t let such a good chance to improve your English _____ through your fingers.

（2010·利津模拟）The talk between the two leaders aimed at ending the long _____of war between the two countries.

Enter our prize ______and win a break in a National Trust holiday cottage of your choice anywhere in the country.