—What _______ you ________ ? —I'm doing
题型:选择题
问题:
—What _______ you ________ ? —I'm doing my homework. |
A. do; do B. are; do C. are; doing D. can; do |
—What _______ you ________ ? —I'm doing my homework. |
A. do; do B. are; do C. are; doing D. can; do |