问题
选择题
The dog pretends _____. Maybe it will bark _____ you.[ ]
A. to be sleeping, /
B. to be sleeping, at
C. be sleeping, at
D. be sleeping, /
答案
B
The dog pretends _____. Maybe it will bark _____ you.[ ]
A. to be sleeping, /
B. to be sleeping, at
C. be sleeping, at
D. be sleeping, /
B