问题
选择题
Sugar is usually sold by _______ weight, and eggs are sometimes sold by ______ dozen. [ ]
A. / , the
B. / , a
C. the, a
D. the, the
答案
A
Sugar is usually sold by _______ weight, and eggs are sometimes sold by ______ dozen. [ ]
A. / , the
B. / , a
C. the, a
D. the, the
A