Mr and Mrs Smith _______ busy _______ th
题型:选择题
问题:
Mr and Mrs Smith _______ busy _______ their housework.[ ]
A. is; with
B. are; with
C. is; do
D. are; do
Mr and Mrs Smith _______ busy _______ their housework.[ ]
A. is; with
B. are; with
C. is; do
D. are; do