考点1 单项填空（语法和词汇知识）
（一） 名词和主谓一致
1. (2010河池高一检测)Put the _____ of your tongue against your upper teeth when you produce the sound.
A. tip B. top C. peak D. pole
2. (2010柳州高一检测)A great ______ of foreign guests come to our school for a visit every year.
A. deal B. number C. plenty D. lot
