问题 填空题
将单词写在合适的位置。
apple, donut, milk, banana, hamburger, tea, orange, hot dog, pop, water
a: _______________________________________________________________________
an: ______________________________________________________________________
some: ____________________________________________________________________
答案

a: donut, banana, hamburger, hot dog 

an: apple, orange  

some: milk, tea, pop, water

不定项选择
单项选择题