因时之序
参考答案：
意为顺应四时阴阳的变化规律。因，顺应。时，春夏秋冬四时。
—Where were you just now?
—I _____ to a student in my office when you called. [ ]
A. talk
B. talked
C. is talking
D. was talking
四卷福音书从哪四个角度表达了一个完整的真理？
