The Ching Ming Festival or Grave-Sweeping Day, ____ falls on April 4 this year, is an important date in the Chinese calendarA. which B that C. what D. where
一Mary said Mark started the fight and that David simply defended himself. 一 I don’t believe it. Those two hate each other. Anyway, ___________.
Not until he questioned the manager several times ___________ that the engineer-in-chief had gone to an important meeting.
Staff are allowed to take a ten-minute break every two hours to relax, use the bathroom or do ___________ else is necessary.
Every solid object ______ reflect a sound,varying according to the size and nature of the object.
I would be happier if you did more studying while you are free, but you ___________.