---Do you know the famous scientist Yuan Longping? ---Of course. His name______whenever the matter of hybrid rice(杂交水稻)is discussed.
_____ full preparations, we decided to put off the meeting till next week.
I’m examining the article he has just finished _____ the possible mistakes in it.
Having passed all the tests, she felt a great weight _____ off her mind.
New ideas sometimes have to wait for years before _____.
How could he get the plan _____ without any one to support him?