规范性公文的生效日期应是公文起草完成的时间。()
参考答案:错
按加热的方式分,焗分为盐焗,沙锅焗、()和()等四种焗法。
By the time they reached the bus stop, the bus__________ for ten minutes.
A.had left
B.have left
C.had been away
D.have been away