题目：
—Much knowledge as well as many abilities _____ from our teachers.
—Yes.We should love and respect our teachers.[ ]
A. are learned
B. is learned
C. learn
D. learns
答案：
答案：B
—Much knowledge as well as many abilities _____ from our teachers.
—Yes.We should love and respect our teachers.[ ]
A. are learned
B. is learned
C. learn
D. learns
答案：B
