问题
选择题
How many ____________ and ____________ are there in the pencil-case?[ ]
A. pens, pencils
B. pen, pencil
C. pens, pencil
答案
答案:A
How many ____________ and ____________ are there in the pencil-case?[ ]
A. pens, pencils
B. pen, pencil
C. pens, pencil
答案:A