______是学校生活中一个最为主要的组成部分。
参考答案:教师与学生的交往活动
A.10-3 s
B.10-6 s
C.10-9 s
D.10-12 s
I try to eat junk food only once a month _____ I love it. [ ]
A. through
B. but
C. and
D. although