—What's she doing _____vacation? —She's
题型:选择题
问题:
—What's she doing _____vacation?
—She's _____.[ ]
A. on; go camping
B. for; going camping
C. for ; goes to camp
D. under; going camping
—What's she doing _____vacation?
—She's _____.[ ]
A. on; go camping
B. for; going camping
C. for ; goes to camp
D. under; going camping