问题
选择题
The factory produces half a million pairs of shoes every year, _____ 80% are sold abroad. |
A. of which B. which of C. of them D. of that |
答案
答案:A
The factory produces half a million pairs of shoes every year, _____ 80% are sold abroad. |
A. of which B. which of C. of them D. of that |
答案:A