—Susan is Bob's best friend, isn't she?
—Yes, she often _ when he is in trouble. [ ]
A. helps Bob out
B. takes Bob after
C. puts up Bob
D. sets up Bob
答案:A
—Susan is Bob's best friend, isn't she?
—Yes, she often _ when he is in trouble. [ ]
A. helps Bob out
B. takes Bob after
C. puts up Bob
D. sets up Bob
答案:A