Ⅰ. 单项选择（共25小题；每小题1分，满分25分）
1. He wants piece of bread and some milk.
A. the B. all C. a D. some
2. The we saw yesterday have been sent to the zoo.
A. cow B. dog C. sheep D. horse
3. mothers are both teachers.
A. Tom and Mary B. Tom’s and Mary C. Tom and Mary’s D. Tom’s and Mary’s
