A warm thought suddenly came to me _______ I might buy some flowers for my friend's mother’s 60th birthday.
The WTO can't be called _____ "world" organization without ____ world’s largest nation-Russia.
Apple sold ____ tablets ,the new ipad, in September alone as Samsung Galaxy series.
The ___ bear was cornered in the forest __ hunters were closing for the kill.
The Meglev Train travels in a vacuum between two magnets, ___ no pollution is caused and less energy is consumed.
Do be careful with what you are to say. If you ___, you will leave a bad impression.